Home / 22,122.20-33,183.24-18,218.36

Finding the Fourth Proportional to 22,122.20, 33,183.24 and 18,218.36

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Solution

The fourth proportional to 22,122.20, 33,183.24 and 18,218.36 is: 27,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.20 : 33,183.24 = 18,218.36 : x
  2. Step 2: Convert to fraction form
    22,122.20/33,183.24 = 18,218.36/x
  3. Step 3: Cross multiply
    22,122.20x = 33,183.24 × 18,218.36
  4. Step 4: Simplify right side
    22,122.20x = 604,544,212.29
  5. Step 5: Solve for x
    x = 604,544,212.29/22,122.20
  6. Step 6: Final answer
    x = 27,327.49

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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.