Home / 11,212.97-16,819.46-9,769.55

Finding the Fourth Proportional to 11,212.97, 16,819.46 and 9,769.55

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Solution

The fourth proportional to 11,212.97, 16,819.46 and 9,769.55 is: 14,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.97 : 16,819.46 = 9,769.55 : x
  2. Step 2: Convert to fraction form
    11,212.97/16,819.46 = 9,769.55/x
  3. Step 3: Cross multiply
    11,212.97x = 16,819.46 × 9,769.55
  4. Step 4: Simplify right side
    11,212.97x = 164,318,555.44
  5. Step 5: Solve for x
    x = 164,318,555.44/11,212.97
  6. Step 6: Final answer
    x = 14,654.33

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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.