Home / 11,380.20-15,704.76-6,344.74

Finding the Fourth Proportional to 11,380.20, 15,704.76 and 6,344.74

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Solution

The fourth proportional to 11,380.20, 15,704.76 and 6,344.74 is: 8,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.20 : 15,704.76 = 6,344.74 : x
  2. Step 2: Convert to fraction form
    11,380.20/15,704.76 = 6,344.74/x
  3. Step 3: Cross multiply
    11,380.20x = 15,704.76 × 6,344.74
  4. Step 4: Simplify right side
    11,380.20x = 99,642,618.96
  5. Step 5: Solve for x
    x = 99,642,618.96/11,380.20
  6. Step 6: Final answer
    x = 8,755.79

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Half scale
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1.5x scale

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.