Home / 10,006.79-15,010.49-3,432.88

Finding the Fourth Proportional to 10,006.79, 15,010.49 and 3,432.88

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Solution

The fourth proportional to 10,006.79, 15,010.49 and 3,432.88 is: 5,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.79 : 15,010.49 = 3,432.88 : x
  2. Step 2: Convert to fraction form
    10,006.79/15,010.49 = 3,432.88/x
  3. Step 3: Cross multiply
    10,006.79x = 15,010.49 × 3,432.88
  4. Step 4: Simplify right side
    10,006.79x = 51,529,257.02
  5. Step 5: Solve for x
    x = 51,529,257.02/10,006.79
  6. Step 6: Final answer
    x = 5,149.43

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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.