Home / 10,310.24-15,431.13-9,387.92

Finding the Fourth Proportional to 10,310.24, 15,431.13 and 9,387.92

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Solution

The fourth proportional to 10,310.24, 15,431.13 and 9,387.92 is: 14,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.24 : 15,431.13 = 9,387.92 : x
  2. Step 2: Convert to fraction form
    10,310.24/15,431.13 = 9,387.92/x
  3. Step 3: Cross multiply
    10,310.24x = 15,431.13 × 9,387.92
  4. Step 4: Simplify right side
    10,310.24x = 144,866,213.95
  5. Step 5: Solve for x
    x = 144,866,213.95/10,310.24
  6. Step 6: Final answer
    x = 14,050.71

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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.