Home / 10,343.52-15,512.92-2,947.82

Finding the Fourth Proportional to 10,343.52, 15,512.92 and 2,947.82

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Solution

The fourth proportional to 10,343.52, 15,512.92 and 2,947.82 is: 4,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.52 : 15,512.92 = 2,947.82 : x
  2. Step 2: Convert to fraction form
    10,343.52/15,512.92 = 2,947.82/x
  3. Step 3: Cross multiply
    10,343.52x = 15,512.92 × 2,947.82
  4. Step 4: Simplify right side
    10,343.52x = 45,729,210.90
  5. Step 5: Solve for x
    x = 45,729,210.90/10,343.52
  6. Step 6: Final answer
    x = 4,421.05

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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.