Fourth Term in Proportion at Algebra Den

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Home >> Ratio and Proportion >> Terms (Proportion) >> Fourth Term >>

Fourth Term in Proportion

First Term Second Term Third Term Fourth Term Extreme Terms
Middle Terms

Explanation of Fourth Term with the Help of Examples

Following example explains How to Find or Locate Fourth Term in a Statement of Proportion.

Example 1 : Find fourth term of the following:
a) 1 : 2 :: 11 : 22
b) 15 : 30 :: 8 : 16
c) 50 : 25 :: 8 : 4

Answer = Fourth Term of the following ratio in Proportion:

a) 1 : 2 :: 11 : 22 (Fourth Term is 22)
b) 15 : 30 :: 8 : 16 (Fourth Term is 16)
c) 50 : 25 :: 8 : 4 (Fourth Term is 4)

Example 2 : Find fourth term of the following:
a) 10 : 20 :: 1 : 2
b) 5 : 30 :: 2 : 12
c) 3 : 27 :: 1 : 9

Answer = The proceed is as :

a) 10 : 20 :: 1 : 2 (Fourth Term is 2)
b) 5 : 30 :: 2 : 12 (Fourth Term is 12)
c) 3 : 27 :: 1 : 9 (Fourth Term is 9)

Example 3 : Find fourth term in the following statements of proportion
a) 9 : 81 :: 5 : 45
b) 100 : 50 :: 80 : 40
c) 1 : 13 :: 2 : 26

Answer = The proceed is as :

a) 9 : 81 :: 5 : 45 (Fourth Term in the Proportion is 45)
b) 100 : 50 :: 80 : 40 (Fourth Term in the Proportion is 40)
c) 1 : 13 :: 2 : 26 (Fourth Term in the Proportion is 26)