Home / 13,268.28-19,902.42-5,468.52

Finding the Fourth Proportional to 13,268.28, 19,902.42 and 5,468.52

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Solution

The fourth proportional to 13,268.28, 19,902.42 and 5,468.52 is: 8,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.28 : 19,902.42 = 5,468.52 : x
  2. Step 2: Convert to fraction form
    13,268.28/19,902.42 = 5,468.52/x
  3. Step 3: Cross multiply
    13,268.28x = 19,902.42 × 5,468.52
  4. Step 4: Simplify right side
    13,268.28x = 108,836,781.82
  5. Step 5: Solve for x
    x = 108,836,781.82/13,268.28
  6. Step 6: Final answer
    x = 8,202.78

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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.