Home / 8,105.38-12,147.68-6,252.62

Finding the Fourth Proportional to 8,105.38, 12,147.68 and 6,252.62

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Solution

The fourth proportional to 8,105.38, 12,147.68 and 6,252.62 is: 9,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.38 : 12,147.68 = 6,252.62 : x
  2. Step 2: Convert to fraction form
    8,105.38/12,147.68 = 6,252.62/x
  3. Step 3: Cross multiply
    8,105.38x = 12,147.68 × 6,252.62
  4. Step 4: Simplify right side
    8,105.38x = 75,954,781.81
  5. Step 5: Solve for x
    x = 75,954,781.81/8,105.38
  6. Step 6: Final answer
    x = 9,370.91

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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.