Home / 11,739.88-17,608.92-3,419.96

Finding the Fourth Proportional to 11,739.88, 17,608.92 and 3,419.96

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Solution

The fourth proportional to 11,739.88, 17,608.92 and 3,419.96 is: 5,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.88 : 17,608.92 = 3,419.96 : x
  2. Step 2: Convert to fraction form
    11,739.88/17,608.92 = 3,419.96/x
  3. Step 3: Cross multiply
    11,739.88x = 17,608.92 × 3,419.96
  4. Step 4: Simplify right side
    11,739.88x = 60,221,802.04
  5. Step 5: Solve for x
    x = 60,221,802.04/11,739.88
  6. Step 6: Final answer
    x = 5,129.68

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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.