Home / 11,643.80-16,067.97-6,338.61

Finding the Fourth Proportional to 11,643.80, 16,067.97 and 6,338.61

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Solution

The fourth proportional to 11,643.80, 16,067.97 and 6,338.61 is: 8,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.80 : 16,067.97 = 6,338.61 : x
  2. Step 2: Convert to fraction form
    11,643.80/16,067.97 = 6,338.61/x
  3. Step 3: Cross multiply
    11,643.80x = 16,067.97 × 6,338.61
  4. Step 4: Simplify right side
    11,643.80x = 101,848,595.32
  5. Step 5: Solve for x
    x = 101,848,595.32/11,643.80
  6. Step 6: Final answer
    x = 8,747.03

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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.