Home / 13,963.52-20,943.12-9,067.88

Finding the Fourth Proportional to 13,963.52, 20,943.12 and 9,067.88

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Solution

The fourth proportional to 13,963.52, 20,943.12 and 9,067.88 is: 13,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.52 : 20,943.12 = 9,067.88 : x
  2. Step 2: Convert to fraction form
    13,963.52/20,943.12 = 9,067.88/x
  3. Step 3: Cross multiply
    13,963.52x = 20,943.12 × 9,067.88
  4. Step 4: Simplify right side
    13,963.52x = 189,909,698.99
  5. Step 5: Solve for x
    x = 189,909,698.99/13,963.52
  6. Step 6: Final answer
    x = 13,600.42

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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.