Home / 10,761.22-16,142.28-3,365.82

Finding the Fourth Proportional to 10,761.22, 16,142.28 and 3,365.82

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Solution

The fourth proportional to 10,761.22, 16,142.28 and 3,365.82 is: 5,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.22 : 16,142.28 = 3,365.82 : x
  2. Step 2: Convert to fraction form
    10,761.22/16,142.28 = 3,365.82/x
  3. Step 3: Cross multiply
    10,761.22x = 16,142.28 × 3,365.82
  4. Step 4: Simplify right side
    10,761.22x = 54,332,008.87
  5. Step 5: Solve for x
    x = 54,332,008.87/10,761.22
  6. Step 6: Final answer
    x = 5,048.87

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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.