Home / 11,991.11-16,548.29-6,685.95

Finding the Fourth Proportional to 11,991.11, 16,548.29 and 6,685.95

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Solution

The fourth proportional to 11,991.11, 16,548.29 and 6,685.95 is: 9,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.11 : 16,548.29 = 6,685.95 : x
  2. Step 2: Convert to fraction form
    11,991.11/16,548.29 = 6,685.95/x
  3. Step 3: Cross multiply
    11,991.11x = 16,548.29 × 6,685.95
  4. Step 4: Simplify right side
    11,991.11x = 110,641,006.10
  5. Step 5: Solve for x
    x = 110,641,006.10/11,991.11
  6. Step 6: Final answer
    x = 9,226.92

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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.