Home / 18,191.52-25,104.26-10,233.75

Finding the Fourth Proportional to 18,191.52, 25,104.26 and 10,233.75

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Solution

The fourth proportional to 18,191.52, 25,104.26 and 10,233.75 is: 14,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.52 : 25,104.26 = 10,233.75 : x
  2. Step 2: Convert to fraction form
    18,191.52/25,104.26 = 10,233.75/x
  3. Step 3: Cross multiply
    18,191.52x = 25,104.26 × 10,233.75
  4. Step 4: Simplify right side
    18,191.52x = 256,910,641.72
  5. Step 5: Solve for x
    x = 256,910,641.72/18,191.52
  6. Step 6: Final answer
    x = 14,122.55

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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.