Home / 10,343.16-15,517.15-2,947.73

Finding the Fourth Proportional to 10,343.16, 15,517.15 and 2,947.73

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Solution

The fourth proportional to 10,343.16, 15,517.15 and 2,947.73 is: 4,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.16 : 15,517.15 = 2,947.73 : x
  2. Step 2: Convert to fraction form
    10,343.16/15,517.15 = 2,947.73/x
  3. Step 3: Cross multiply
    10,343.16x = 15,517.15 × 2,947.73
  4. Step 4: Simplify right side
    10,343.16x = 45,740,283.61
  5. Step 5: Solve for x
    x = 45,740,283.61/10,343.16
  6. Step 6: Final answer
    x = 4,422.27

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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.