Home / 22,191.60-33,287.40-13,897.20

Finding the Fourth Proportional to 22,191.60, 33,287.40 and 13,897.20

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Solution

The fourth proportional to 22,191.60, 33,287.40 and 13,897.20 is: 20,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.60 : 33,287.40 = 13,897.20 : x
  2. Step 2: Convert to fraction form
    22,191.60/33,287.40 = 13,897.20/x
  3. Step 3: Cross multiply
    22,191.60x = 33,287.40 × 13,897.20
  4. Step 4: Simplify right side
    22,191.60x = 462,601,655.28
  5. Step 5: Solve for x
    x = 462,601,655.28/22,191.60
  6. Step 6: Final answer
    x = 20,845.80

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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.