Home / 8,149.11-12,227.13-5,519.58

Finding the Fourth Proportional to 8,149.11, 12,227.13 and 5,519.58

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Solution

The fourth proportional to 8,149.11, 12,227.13 and 5,519.58 is: 8,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.11 : 12,227.13 = 5,519.58 : x
  2. Step 2: Convert to fraction form
    8,149.11/12,227.13 = 5,519.58/x
  3. Step 3: Cross multiply
    8,149.11x = 12,227.13 × 5,519.58
  4. Step 4: Simplify right side
    8,149.11x = 67,488,622.21
  5. Step 5: Solve for x
    x = 67,488,622.21/8,149.11
  6. Step 6: Final answer
    x = 8,281.72

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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.