Home / 22,171.40-33,287.85-13,884.02

Finding the Fourth Proportional to 22,171.40, 33,287.85 and 13,884.02

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Solution

The fourth proportional to 22,171.40, 33,287.85 and 13,884.02 is: 20,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.40 : 33,287.85 = 13,884.02 : x
  2. Step 2: Convert to fraction form
    22,171.40/33,287.85 = 13,884.02/x
  3. Step 3: Cross multiply
    22,171.40x = 33,287.85 × 13,884.02
  4. Step 4: Simplify right side
    22,171.40x = 462,169,008.72
  5. Step 5: Solve for x
    x = 462,169,008.72/22,171.40
  6. Step 6: Final answer
    x = 20,845.28

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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.