Finding the Fourth Proportional to 10,914, 16,371 and 4,758
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Solution
The fourth proportional to 10,914, 16,371 and 4,758 is: 7,137
Step by Step Solution
- Step 1: Write the proportion equation
10,914 : 16,371 = 4,758 : x - Step 2: Convert to fraction form
10,914/16,371 = 4,758/x - Step 3: Cross multiply
10,914x = 16,371 × 4,758 - Step 4: Simplify right side
10,914x = 77,893,218 - Step 5: Solve for x
x = 77,893,218/10,914 - Step 6: Final answer
x = 7,137
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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.