Home / 10,989.18-16,472.12-3,591.66

Finding the Fourth Proportional to 10,989.18, 16,472.12 and 3,591.66

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Solution

The fourth proportional to 10,989.18, 16,472.12 and 3,591.66 is: 5,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.18 : 16,472.12 = 3,591.66 : x
  2. Step 2: Convert to fraction form
    10,989.18/16,472.12 = 3,591.66/x
  3. Step 3: Cross multiply
    10,989.18x = 16,472.12 × 3,591.66
  4. Step 4: Simplify right side
    10,989.18x = 59,162,254.52
  5. Step 5: Solve for x
    x = 59,162,254.52/10,989.18
  6. Step 6: Final answer
    x = 5,383.68

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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.