Home / 22,052.05-30,431.70-11,980.41

Finding the Fourth Proportional to 22,052.05, 30,431.70 and 11,980.41

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Solution

The fourth proportional to 22,052.05, 30,431.70 and 11,980.41 is: 16,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.05 : 30,431.70 = 11,980.41 : x
  2. Step 2: Convert to fraction form
    22,052.05/30,431.70 = 11,980.41/x
  3. Step 3: Cross multiply
    22,052.05x = 30,431.70 × 11,980.41
  4. Step 4: Simplify right side
    22,052.05x = 364,584,243.00
  5. Step 5: Solve for x
    x = 364,584,243.00/22,052.05
  6. Step 6: Final answer
    x = 16,532.90

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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.