Home / 10,244.20-15,350.10-8,591.80

Finding the Fourth Proportional to 10,244.20, 15,350.10 and 8,591.80

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Solution

The fourth proportional to 10,244.20, 15,350.10 and 8,591.80 is: 12,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.20 : 15,350.10 = 8,591.80 : x
  2. Step 2: Convert to fraction form
    10,244.20/15,350.10 = 8,591.80/x
  3. Step 3: Cross multiply
    10,244.20x = 15,350.10 × 8,591.80
  4. Step 4: Simplify right side
    10,244.20x = 131,884,989.18
  5. Step 5: Solve for x
    x = 131,884,989.18/10,244.20
  6. Step 6: Final answer
    x = 12,874.11

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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.