Home / 11,011.70-16,517.55-7,301.90

Finding the Fourth Proportional to 11,011.70, 16,517.55 and 7,301.90

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Solution

The fourth proportional to 11,011.70, 16,517.55 and 7,301.90 is: 10,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.70 : 16,517.55 = 7,301.90 : x
  2. Step 2: Convert to fraction form
    11,011.70/16,517.55 = 7,301.90/x
  3. Step 3: Cross multiply
    11,011.70x = 16,517.55 × 7,301.90
  4. Step 4: Simplify right side
    11,011.70x = 120,609,498.35
  5. Step 5: Solve for x
    x = 120,609,498.35/11,011.70
  6. Step 6: Final answer
    x = 10,952.85

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Similar ratio
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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.