Home / 12,508.92-18,761.22-4,717.08

Finding the Fourth Proportional to 12,508.92, 18,761.22 and 4,717.08

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Solution

The fourth proportional to 12,508.92, 18,761.22 and 4,717.08 is: 7,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.92 : 18,761.22 = 4,717.08 : x
  2. Step 2: Convert to fraction form
    12,508.92/18,761.22 = 4,717.08/x
  3. Step 3: Cross multiply
    12,508.92x = 18,761.22 × 4,717.08
  4. Step 4: Simplify right side
    12,508.92x = 88,498,175.64
  5. Step 5: Solve for x
    x = 88,498,175.64/12,508.92
  6. Step 6: Final answer
    x = 7,074.81

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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.