Home / 10,085.76-15,115.20-4,537.92

Finding the Fourth Proportional to 10,085.76, 15,115.20 and 4,537.92

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Solution

The fourth proportional to 10,085.76, 15,115.20 and 4,537.92 is: 6,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.76 : 15,115.20 = 4,537.92 : x
  2. Step 2: Convert to fraction form
    10,085.76/15,115.20 = 4,537.92/x
  3. Step 3: Cross multiply
    10,085.76x = 15,115.20 × 4,537.92
  4. Step 4: Simplify right side
    10,085.76x = 68,591,568.38
  5. Step 5: Solve for x
    x = 68,591,568.38/10,085.76
  6. Step 6: Final answer
    x = 6,800.83

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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.