Home / 11,789.25-17,684.09-3,998.27

Finding the Fourth Proportional to 11,789.25, 17,684.09 and 3,998.27

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Solution

The fourth proportional to 11,789.25, 17,684.09 and 3,998.27 is: 5,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.25 : 17,684.09 = 3,998.27 : x
  2. Step 2: Convert to fraction form
    11,789.25/17,684.09 = 3,998.27/x
  3. Step 3: Cross multiply
    11,789.25x = 17,684.09 × 3,998.27
  4. Step 4: Simplify right side
    11,789.25x = 70,705,658.11
  5. Step 5: Solve for x
    x = 70,705,658.11/11,789.25
  6. Step 6: Final answer
    x = 5,997.47

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1.5x scale

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.