Home / 20,067.25-30,101.18-9,538.35

Finding the Fourth Proportional to 20,067.25, 30,101.18 and 9,538.35

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Solution

The fourth proportional to 20,067.25, 30,101.18 and 9,538.35 is: 14,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.25 : 30,101.18 = 9,538.35 : x
  2. Step 2: Convert to fraction form
    20,067.25/30,101.18 = 9,538.35/x
  3. Step 3: Cross multiply
    20,067.25x = 30,101.18 × 9,538.35
  4. Step 4: Simplify right side
    20,067.25x = 287,115,429.68
  5. Step 5: Solve for x
    x = 287,115,429.68/20,067.25
  6. Step 6: Final answer
    x = 14,307.66

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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.