Home / 10,329.72-15,489.08-4,089.48

Finding the Fourth Proportional to 10,329.72, 15,489.08 and 4,089.48

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Solution

The fourth proportional to 10,329.72, 15,489.08 and 4,089.48 is: 6,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.72 : 15,489.08 = 4,089.48 : x
  2. Step 2: Convert to fraction form
    10,329.72/15,489.08 = 4,089.48/x
  3. Step 3: Cross multiply
    10,329.72x = 15,489.08 × 4,089.48
  4. Step 4: Simplify right side
    10,329.72x = 63,342,282.88
  5. Step 5: Solve for x
    x = 63,342,282.88/10,329.72
  6. Step 6: Final answer
    x = 6,132.04

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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.