Home / 11,010.10-16,515.15-9,195.70

Finding the Fourth Proportional to 11,010.10, 16,515.15 and 9,195.70

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Solution

The fourth proportional to 11,010.10, 16,515.15 and 9,195.70 is: 13,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.10 : 16,515.15 = 9,195.70 : x
  2. Step 2: Convert to fraction form
    11,010.10/16,515.15 = 9,195.70/x
  3. Step 3: Cross multiply
    11,010.10x = 16,515.15 × 9,195.70
  4. Step 4: Simplify right side
    11,010.10x = 151,868,364.86
  5. Step 5: Solve for x
    x = 151,868,364.86/11,010.10
  6. Step 6: Final answer
    x = 13,793.55

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Double scale
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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.