Home / 11,488.80-17,234.40-3,168.82

Finding the Fourth Proportional to 11,488.80, 17,234.40 and 3,168.82

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Solution

The fourth proportional to 11,488.80, 17,234.40 and 3,168.82 is: 4,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488.80 : 17,234.40 = 3,168.82 : x
  2. Step 2: Convert to fraction form
    11,488.80/17,234.40 = 3,168.82/x
  3. Step 3: Cross multiply
    11,488.80x = 17,234.40 × 3,168.82
  4. Step 4: Simplify right side
    11,488.80x = 54,612,711.41
  5. Step 5: Solve for x
    x = 54,612,711.41/11,488.80
  6. Step 6: Final answer
    x = 4,753.56

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1.5x scale

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.