Home / 10,257.18-15,385.05-5,860.86

Finding the Fourth Proportional to 10,257.18, 15,385.05 and 5,860.86

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Solution

The fourth proportional to 10,257.18, 15,385.05 and 5,860.86 is: 8,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.18 : 15,385.05 = 5,860.86 : x
  2. Step 2: Convert to fraction form
    10,257.18/15,385.05 = 5,860.86/x
  3. Step 3: Cross multiply
    10,257.18x = 15,385.05 × 5,860.86
  4. Step 4: Simplify right side
    10,257.18x = 90,169,624.14
  5. Step 5: Solve for x
    x = 90,169,624.14/10,257.18
  6. Step 6: Final answer
    x = 8,790.88

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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.