Home / 10,067.90-13,893.11-5,591.39

Finding the Fourth Proportional to 10,067.90, 13,893.11 and 5,591.39

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Solution

The fourth proportional to 10,067.90, 13,893.11 and 5,591.39 is: 7,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.90 : 13,893.11 = 5,591.39 : x
  2. Step 2: Convert to fraction form
    10,067.90/13,893.11 = 5,591.39/x
  3. Step 3: Cross multiply
    10,067.90x = 13,893.11 × 5,591.39
  4. Step 4: Simplify right side
    10,067.90x = 77,681,796.32
  5. Step 5: Solve for x
    x = 77,681,796.32/10,067.90
  6. Step 6: Final answer
    x = 7,715.79

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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.