Home / 11,206.38-15,469.83-8,222.34

Finding the Fourth Proportional to 11,206.38, 15,469.83 and 8,222.34

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Solution

The fourth proportional to 11,206.38, 15,469.83 and 8,222.34 is: 11,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.38 : 15,469.83 = 8,222.34 : x
  2. Step 2: Convert to fraction form
    11,206.38/15,469.83 = 8,222.34/x
  3. Step 3: Cross multiply
    11,206.38x = 15,469.83 × 8,222.34
  4. Step 4: Simplify right side
    11,206.38x = 127,198,202.00
  5. Step 5: Solve for x
    x = 127,198,202.00/11,206.38
  6. Step 6: Final answer
    x = 11,350.52

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.