Home / 13,293.62-19,938.89-3,432.13

Finding the Fourth Proportional to 13,293.62, 19,938.89 and 3,432.13

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Solution

The fourth proportional to 13,293.62, 19,938.89 and 3,432.13 is: 5,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.62 : 19,938.89 = 3,432.13 : x
  2. Step 2: Convert to fraction form
    13,293.62/19,938.89 = 3,432.13/x
  3. Step 3: Cross multiply
    13,293.62x = 19,938.89 × 3,432.13
  4. Step 4: Simplify right side
    13,293.62x = 68,432,821.27
  5. Step 5: Solve for x
    x = 68,432,821.27/13,293.62
  6. Step 6: Final answer
    x = 5,147.79

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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.