Home / 12,294.53-18,437.79-3,972.59

Finding the Fourth Proportional to 12,294.53, 18,437.79 and 3,972.59

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Solution

The fourth proportional to 12,294.53, 18,437.79 and 3,972.59 is: 5,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.53 : 18,437.79 = 3,972.59 : x
  2. Step 2: Convert to fraction form
    12,294.53/18,437.79 = 3,972.59/x
  3. Step 3: Cross multiply
    12,294.53x = 18,437.79 × 3,972.59
  4. Step 4: Simplify right side
    12,294.53x = 73,245,780.18
  5. Step 5: Solve for x
    x = 73,245,780.18/12,294.53
  6. Step 6: Final answer
    x = 5,957.59

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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.