Home / 11,189.25-16,789.28-4,268.61

Finding the Fourth Proportional to 11,189.25, 16,789.28 and 4,268.61

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Solution

The fourth proportional to 11,189.25, 16,789.28 and 4,268.61 is: 6,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.25 : 16,789.28 = 4,268.61 : x
  2. Step 2: Convert to fraction form
    11,189.25/16,789.28 = 4,268.61/x
  3. Step 3: Cross multiply
    11,189.25x = 16,789.28 × 4,268.61
  4. Step 4: Simplify right side
    11,189.25x = 71,666,867.16
  5. Step 5: Solve for x
    x = 71,666,867.16/11,189.25
  6. Step 6: Final answer
    x = 6,404.98

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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.