Home / 20,067.62-30,091.51-11,749.73

Finding the Fourth Proportional to 20,067.62, 30,091.51 and 11,749.73

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Solution

The fourth proportional to 20,067.62, 30,091.51 and 11,749.73 is: 17,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.62 : 30,091.51 = 11,749.73 : x
  2. Step 2: Convert to fraction form
    20,067.62/30,091.51 = 11,749.73/x
  3. Step 3: Cross multiply
    20,067.62x = 30,091.51 × 11,749.73
  4. Step 4: Simplify right side
    20,067.62x = 353,567,059.04
  5. Step 5: Solve for x
    x = 353,567,059.04/20,067.62
  6. Step 6: Final answer
    x = 17,618.78

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1.5x scale

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.