Home / 10,379.15-15,532.20-8,935.73

Finding the Fourth Proportional to 10,379.15, 15,532.20 and 8,935.73

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Solution

The fourth proportional to 10,379.15, 15,532.20 and 8,935.73 is: 13,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.15 : 15,532.20 = 8,935.73 : x
  2. Step 2: Convert to fraction form
    10,379.15/15,532.20 = 8,935.73/x
  3. Step 3: Cross multiply
    10,379.15x = 15,532.20 × 8,935.73
  4. Step 4: Simplify right side
    10,379.15x = 138,791,467.85
  5. Step 5: Solve for x
    x = 138,791,467.85/10,379.15
  6. Step 6: Final answer
    x = 13,372.15

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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.