Home / 12,352.88-18,508.92-9,067.28

Finding the Fourth Proportional to 12,352.88, 18,508.92 and 9,067.28

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Solution

The fourth proportional to 12,352.88, 18,508.92 and 9,067.28 is: 13,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.88 : 18,508.92 = 9,067.28 : x
  2. Step 2: Convert to fraction form
    12,352.88/18,508.92 = 9,067.28/x
  3. Step 3: Cross multiply
    12,352.88x = 18,508.92 × 9,067.28
  4. Step 4: Simplify right side
    12,352.88x = 167,825,560.14
  5. Step 5: Solve for x
    x = 167,825,560.14/12,352.88
  6. Step 6: Final answer
    x = 13,585.95

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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.