Home / 22,147.47-33,221.21-9,000.87

Finding the Fourth Proportional to 22,147.47, 33,221.21 and 9,000.87

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Solution

The fourth proportional to 22,147.47, 33,221.21 and 9,000.87 is: 13,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.47 : 33,221.21 = 9,000.87 : x
  2. Step 2: Convert to fraction form
    22,147.47/33,221.21 = 9,000.87/x
  3. Step 3: Cross multiply
    22,147.47x = 33,221.21 × 9,000.87
  4. Step 4: Simplify right side
    22,147.47x = 299,019,792.45
  5. Step 5: Solve for x
    x = 299,019,792.45/22,147.47
  6. Step 6: Final answer
    x = 13,501.31

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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.