Finding the Fourth Proportional to 18,202.11, 27,309.73 and 6,357.63
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Solution
The fourth proportional to 18,202.11, 27,309.73 and 6,357.63 is: 9,538.73
Step by Step Solution
- Step 1: Write the proportion equation
18,202.11 : 27,309.73 = 6,357.63 : x - Step 2: Convert to fraction form
18,202.11/27,309.73 = 6,357.63/x - Step 3: Cross multiply
18,202.11x = 27,309.73 × 6,357.63 - Step 4: Simplify right side
18,202.11x = 173,625,022.19 - Step 5: Solve for x
x = 173,625,022.19/18,202.11 - Step 6: Final answer
x = 9,538.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.