Home / 10,387.24-15,560.70-9,223.72

Finding the Fourth Proportional to 10,387.24, 15,560.70 and 9,223.72

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Solution

The fourth proportional to 10,387.24, 15,560.70 and 9,223.72 is: 13,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.24 : 15,560.70 = 9,223.72 : x
  2. Step 2: Convert to fraction form
    10,387.24/15,560.70 = 9,223.72/x
  3. Step 3: Cross multiply
    10,387.24x = 15,560.70 × 9,223.72
  4. Step 4: Simplify right side
    10,387.24x = 143,527,539.80
  5. Step 5: Solve for x
    x = 143,527,539.80/10,387.24
  6. Step 6: Final answer
    x = 13,817.68

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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.