Home / 18,758.25-25,886.87-11,306.73

Finding the Fourth Proportional to 18,758.25, 25,886.87 and 11,306.73

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Solution

The fourth proportional to 18,758.25, 25,886.87 and 11,306.73 is: 15,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,758.25 : 25,886.87 = 11,306.73 : x
  2. Step 2: Convert to fraction form
    18,758.25/25,886.87 = 11,306.73/x
  3. Step 3: Cross multiply
    18,758.25x = 25,886.87 × 11,306.73
  4. Step 4: Simplify right side
    18,758.25x = 292,695,793.10
  5. Step 5: Solve for x
    x = 292,695,793.10/18,758.25
  6. Step 6: Final answer
    x = 15,603.58

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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.