Home / 10,747.29-16,114.94-8,540.25

Finding the Fourth Proportional to 10,747.29, 16,114.94 and 8,540.25

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Solution

The fourth proportional to 10,747.29, 16,114.94 and 8,540.25 is: 12,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.29 : 16,114.94 = 8,540.25 : x
  2. Step 2: Convert to fraction form
    10,747.29/16,114.94 = 8,540.25/x
  3. Step 3: Cross multiply
    10,747.29x = 16,114.94 × 8,540.25
  4. Step 4: Simplify right side
    10,747.29x = 137,625,616.34
  5. Step 5: Solve for x
    x = 137,625,616.34/10,747.29
  6. Step 6: Final answer
    x = 12,805.61

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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.