Home / 10,432.44-15,611.40-9,061.92

Finding the Fourth Proportional to 10,432.44, 15,611.40 and 9,061.92

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Solution

The fourth proportional to 10,432.44, 15,611.40 and 9,061.92 is: 13,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.44 : 15,611.40 = 9,061.92 : x
  2. Step 2: Convert to fraction form
    10,432.44/15,611.40 = 9,061.92/x
  3. Step 3: Cross multiply
    10,432.44x = 15,611.40 × 9,061.92
  4. Step 4: Simplify right side
    10,432.44x = 141,469,257.89
  5. Step 5: Solve for x
    x = 141,469,257.89/10,432.44
  6. Step 6: Final answer
    x = 13,560.51

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1.5x scale

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.