Home / 14,149.62-21,217.13-6,351.76

Finding the Fourth Proportional to 14,149.62, 21,217.13 and 6,351.76

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Solution

The fourth proportional to 14,149.62, 21,217.13 and 6,351.76 is: 9,524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.62 : 21,217.13 = 6,351.76 : x
  2. Step 2: Convert to fraction form
    14,149.62/21,217.13 = 6,351.76/x
  3. Step 3: Cross multiply
    14,149.62x = 21,217.13 × 6,351.76
  4. Step 4: Simplify right side
    14,149.62x = 134,766,117.65
  5. Step 5: Solve for x
    x = 134,766,117.65/14,149.62
  6. Step 6: Final answer
    x = 9,524.36

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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.