Home / 13,930.82-20,893.96-4,067.78

Finding the Fourth Proportional to 13,930.82, 20,893.96 and 4,067.78

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Solution

The fourth proportional to 13,930.82, 20,893.96 and 4,067.78 is: 6,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.82 : 20,893.96 = 4,067.78 : x
  2. Step 2: Convert to fraction form
    13,930.82/20,893.96 = 4,067.78/x
  3. Step 3: Cross multiply
    13,930.82x = 20,893.96 × 4,067.78
  4. Step 4: Simplify right side
    13,930.82x = 84,992,032.61
  5. Step 5: Solve for x
    x = 84,992,032.61/13,930.82
  6. Step 6: Final answer
    x = 6,101.01

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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.