Home / 22,142.56-33,179.24-13,917.28

Finding the Fourth Proportional to 22,142.56, 33,179.24 and 13,917.28

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Solution

The fourth proportional to 22,142.56, 33,179.24 and 13,917.28 is: 20,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142.56 : 33,179.24 = 13,917.28 : x
  2. Step 2: Convert to fraction form
    22,142.56/33,179.24 = 13,917.28/x
  3. Step 3: Cross multiply
    22,142.56x = 33,179.24 × 13,917.28
  4. Step 4: Simplify right side
    22,142.56x = 461,764,773.27
  5. Step 5: Solve for x
    x = 461,764,773.27/22,142.56
  6. Step 6: Final answer
    x = 20,854.17

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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.