Proportion calculator
Solve a/b = c/d for one missing value.
Calculator
How to use
Proportion
Leave d or c blank.
Educational use only. For assessments, show reasoning and check boundary cases.
Solve a/b = c/d for one missing value.
Leave d or c blank.
Educational use only. For assessments, show reasoning and check boundary cases.
Model / formula
a/b = c/d (solve for the missing value)
Result
d = 8.000000 (a/b = c/d)