Home / 10,207.62-15,308.19-3,280.50

Finding the Fourth Proportional to 10,207.62, 15,308.19 and 3,280.50

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Solution

The fourth proportional to 10,207.62, 15,308.19 and 3,280.50 is: 4,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.62 : 15,308.19 = 3,280.50 : x
  2. Step 2: Convert to fraction form
    10,207.62/15,308.19 = 3,280.50/x
  3. Step 3: Cross multiply
    10,207.62x = 15,308.19 × 3,280.50
  4. Step 4: Simplify right side
    10,207.62x = 50,218,517.30
  5. Step 5: Solve for x
    x = 50,218,517.30/10,207.62
  6. Step 6: Final answer
    x = 4,919.71

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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.