Home / 10,660.26-15,990.38-3,734.76

Finding the Fourth Proportional to 10,660.26, 15,990.38 and 3,734.76

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Solution

The fourth proportional to 10,660.26, 15,990.38 and 3,734.76 is: 5,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.26 : 15,990.38 = 3,734.76 : x
  2. Step 2: Convert to fraction form
    10,660.26/15,990.38 = 3,734.76/x
  3. Step 3: Cross multiply
    10,660.26x = 15,990.38 × 3,734.76
  4. Step 4: Simplify right side
    10,660.26x = 59,720,231.61
  5. Step 5: Solve for x
    x = 59,720,231.61/10,660.26
  6. Step 6: Final answer
    x = 5,602.14

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Similar ratio
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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.