Home / 15,911.50-23,877.10-9,251.13

Finding the Fourth Proportional to 15,911.50, 23,877.10 and 9,251.13

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Solution

The fourth proportional to 15,911.50, 23,877.10 and 9,251.13 is: 13,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911.50 : 23,877.10 = 9,251.13 : x
  2. Step 2: Convert to fraction form
    15,911.50/23,877.10 = 9,251.13/x
  3. Step 3: Cross multiply
    15,911.50x = 23,877.10 × 9,251.13
  4. Step 4: Simplify right side
    15,911.50x = 220,890,156.12
  5. Step 5: Solve for x
    x = 220,890,156.12/15,911.50
  6. Step 6: Final answer
    x = 13,882.42

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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.