Home / 11,189.80-16,787.15-3,399.22

Finding the Fourth Proportional to 11,189.80, 16,787.15 and 3,399.22

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Solution

The fourth proportional to 11,189.80, 16,787.15 and 3,399.22 is: 5,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.80 : 16,787.15 = 3,399.22 : x
  2. Step 2: Convert to fraction form
    11,189.80/16,787.15 = 3,399.22/x
  3. Step 3: Cross multiply
    11,189.80x = 16,787.15 × 3,399.22
  4. Step 4: Simplify right side
    11,189.80x = 57,063,216.02
  5. Step 5: Solve for x
    x = 57,063,216.02/11,189.80
  6. Step 6: Final answer
    x = 5,099.57

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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.