Home / 18,951.26-26,142.24-13,294.43

Finding the Fourth Proportional to 18,951.26, 26,142.24 and 13,294.43

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Solution

The fourth proportional to 18,951.26, 26,142.24 and 13,294.43 is: 18,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951.26 : 26,142.24 = 13,294.43 : x
  2. Step 2: Convert to fraction form
    18,951.26/26,142.24 = 13,294.43/x
  3. Step 3: Cross multiply
    18,951.26x = 26,142.24 × 13,294.43
  4. Step 4: Simplify right side
    18,951.26x = 347,546,179.72
  5. Step 5: Solve for x
    x = 347,546,179.72/18,951.26
  6. Step 6: Final answer
    x = 18,338.95

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1.5x scale

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.