Home / 12,834.30-19,251.45-9,723.90

Finding the Fourth Proportional to 12,834.30, 19,251.45 and 9,723.90

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Solution

The fourth proportional to 12,834.30, 19,251.45 and 9,723.90 is: 14,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834.30 : 19,251.45 = 9,723.90 : x
  2. Step 2: Convert to fraction form
    12,834.30/19,251.45 = 9,723.90/x
  3. Step 3: Cross multiply
    12,834.30x = 19,251.45 × 9,723.90
  4. Step 4: Simplify right side
    12,834.30x = 187,199,174.66
  5. Step 5: Solve for x
    x = 187,199,174.66/12,834.30
  6. Step 6: Final answer
    x = 14,585.85

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Similar ratio
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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.