Home / 20,338.64-28,067.03-11,263.14

Finding the Fourth Proportional to 20,338.64, 28,067.03 and 11,263.14

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Solution

The fourth proportional to 20,338.64, 28,067.03 and 11,263.14 is: 15,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338.64 : 28,067.03 = 11,263.14 : x
  2. Step 2: Convert to fraction form
    20,338.64/28,067.03 = 11,263.14/x
  3. Step 3: Cross multiply
    20,338.64x = 28,067.03 × 11,263.14
  4. Step 4: Simplify right side
    20,338.64x = 316,122,874.20
  5. Step 5: Solve for x
    x = 316,122,874.20/20,338.64
  6. Step 6: Final answer
    x = 15,542.97

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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.