Finding the Fourth Proportional to 10,900, 15,042 and 5,932
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Solution
The fourth proportional to 10,900, 15,042 and 5,932 is: 8,186.16
Step by Step Solution
- Step 1: Write the proportion equation
10,900 : 15,042 = 5,932 : x - Step 2: Convert to fraction form
10,900/15,042 = 5,932/x - Step 3: Cross multiply
10,900x = 15,042 × 5,932 - Step 4: Simplify right side
10,900x = 89,229,144 - Step 5: Solve for x
x = 89,229,144/10,900 - Step 6: Final answer
x = 8,186.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.