Home / 11,490.68-17,230.98-3,591.02

Finding the Fourth Proportional to 11,490.68, 17,230.98 and 3,591.02

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Solution

The fourth proportional to 11,490.68, 17,230.98 and 3,591.02 is: 5,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.68 : 17,230.98 = 3,591.02 : x
  2. Step 2: Convert to fraction form
    11,490.68/17,230.98 = 3,591.02/x
  3. Step 3: Cross multiply
    11,490.68x = 17,230.98 × 3,591.02
  4. Step 4: Simplify right side
    11,490.68x = 61,876,793.80
  5. Step 5: Solve for x
    x = 61,876,793.80/11,490.68
  6. Step 6: Final answer
    x = 5,384.95

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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.