Home / 13,248.61-19,873.62-3,387.96

Finding the Fourth Proportional to 13,248.61, 19,873.62 and 3,387.96

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Solution

The fourth proportional to 13,248.61, 19,873.62 and 3,387.96 is: 5,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.61 : 19,873.62 = 3,387.96 : x
  2. Step 2: Convert to fraction form
    13,248.61/19,873.62 = 3,387.96/x
  3. Step 3: Cross multiply
    13,248.61x = 19,873.62 × 3,387.96
  4. Step 4: Simplify right side
    13,248.61x = 67,331,029.62
  5. Step 5: Solve for x
    x = 67,331,029.62/13,248.61
  6. Step 6: Final answer
    x = 5,082.12

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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.