Home / 22,147.38-33,220.98-8,999.64

Finding the Fourth Proportional to 22,147.38, 33,220.98 and 8,999.64

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Solution

The fourth proportional to 22,147.38, 33,220.98 and 8,999.64 is: 13,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.38 : 33,220.98 = 8,999.64 : x
  2. Step 2: Convert to fraction form
    22,147.38/33,220.98 = 8,999.64/x
  3. Step 3: Cross multiply
    22,147.38x = 33,220.98 × 8,999.64
  4. Step 4: Simplify right side
    22,147.38x = 298,976,860.45
  5. Step 5: Solve for x
    x = 298,976,860.45/22,147.38
  6. Step 6: Final answer
    x = 13,499.42

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