Home / 13,248.68-19,872.97-3,387.95

Finding the Fourth Proportional to 13,248.68, 19,872.97 and 3,387.95

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Solution

The fourth proportional to 13,248.68, 19,872.97 and 3,387.95 is: 5,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.68 : 19,872.97 = 3,387.95 : x
  2. Step 2: Convert to fraction form
    13,248.68/19,872.97 = 3,387.95/x
  3. Step 3: Cross multiply
    13,248.68x = 19,872.97 × 3,387.95
  4. Step 4: Simplify right side
    13,248.68x = 67,328,520.88
  5. Step 5: Solve for x
    x = 67,328,520.88/13,248.68
  6. Step 6: Final answer
    x = 5,081.90

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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.