Home / 10,655.97-15,983.38-3,260.43

Finding the Fourth Proportional to 10,655.97, 15,983.38 and 3,260.43

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Solution

The fourth proportional to 10,655.97, 15,983.38 and 3,260.43 is: 4,890.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.97 : 15,983.38 = 3,260.43 : x
  2. Step 2: Convert to fraction form
    10,655.97/15,983.38 = 3,260.43/x
  3. Step 3: Cross multiply
    10,655.97x = 15,983.38 × 3,260.43
  4. Step 4: Simplify right side
    10,655.97x = 52,112,695.73
  5. Step 5: Solve for x
    x = 52,112,695.73/10,655.97
  6. Step 6: Final answer
    x = 4,890.47

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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.