Home / 10,778.68-16,161.92-4,197.29

Finding the Fourth Proportional to 10,778.68, 16,161.92 and 4,197.29

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Solution

The fourth proportional to 10,778.68, 16,161.92 and 4,197.29 is: 6,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.68 : 16,161.92 = 4,197.29 : x
  2. Step 2: Convert to fraction form
    10,778.68/16,161.92 = 4,197.29/x
  3. Step 3: Cross multiply
    10,778.68x = 16,161.92 × 4,197.29
  4. Step 4: Simplify right side
    10,778.68x = 67,836,244.21
  5. Step 5: Solve for x
    x = 67,836,244.21/10,778.68
  6. Step 6: Final answer
    x = 6,293.56

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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.