Home / 10,251.30-15,376.92-3,231.90

Finding the Fourth Proportional to 10,251.30, 15,376.92 and 3,231.90

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Solution

The fourth proportional to 10,251.30, 15,376.92 and 3,231.90 is: 4,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.30 : 15,376.92 = 3,231.90 : x
  2. Step 2: Convert to fraction form
    10,251.30/15,376.92 = 3,231.90/x
  3. Step 3: Cross multiply
    10,251.30x = 15,376.92 × 3,231.90
  4. Step 4: Simplify right side
    10,251.30x = 49,696,667.75
  5. Step 5: Solve for x
    x = 49,696,667.75/10,251.30
  6. Step 6: Final answer
    x = 4,847.84

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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.