Home / 11,789.03-17,679.80-3,890.08

Finding the Fourth Proportional to 11,789.03, 17,679.80 and 3,890.08

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Solution

The fourth proportional to 11,789.03, 17,679.80 and 3,890.08 is: 5,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.03 : 17,679.80 = 3,890.08 : x
  2. Step 2: Convert to fraction form
    11,789.03/17,679.80 = 3,890.08/x
  3. Step 3: Cross multiply
    11,789.03x = 17,679.80 × 3,890.08
  4. Step 4: Simplify right side
    11,789.03x = 68,775,738.26
  5. Step 5: Solve for x
    x = 68,775,738.26/11,789.03
  6. Step 6: Final answer
    x = 5,833.87

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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.