Home / 11,327.96-16,991.94-3,934.28

Finding the Fourth Proportional to 11,327.96, 16,991.94 and 3,934.28

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Solution

The fourth proportional to 11,327.96, 16,991.94 and 3,934.28 is: 5,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.96 : 16,991.94 = 3,934.28 : x
  2. Step 2: Convert to fraction form
    11,327.96/16,991.94 = 3,934.28/x
  3. Step 3: Cross multiply
    11,327.96x = 16,991.94 × 3,934.28
  4. Step 4: Simplify right side
    11,327.96x = 66,851,049.70
  5. Step 5: Solve for x
    x = 66,851,049.70/11,327.96
  6. Step 6: Final answer
    x = 5,901.42

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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.