Home / 22,694.52-31,318.88-13,268.55

Finding the Fourth Proportional to 22,694.52, 31,318.88 and 13,268.55

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Solution

The fourth proportional to 22,694.52, 31,318.88 and 13,268.55 is: 18,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.52 : 31,318.88 = 13,268.55 : x
  2. Step 2: Convert to fraction form
    22,694.52/31,318.88 = 13,268.55/x
  3. Step 3: Cross multiply
    22,694.52x = 31,318.88 × 13,268.55
  4. Step 4: Simplify right side
    22,694.52x = 415,556,058.88
  5. Step 5: Solve for x
    x = 415,556,058.88/22,694.52
  6. Step 6: Final answer
    x = 18,310.85

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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.