Home / 11,829.26-17,743.89-6,638.78

Finding the Fourth Proportional to 11,829.26, 17,743.89 and 6,638.78

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Solution

The fourth proportional to 11,829.26, 17,743.89 and 6,638.78 is: 9,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.26 : 17,743.89 = 6,638.78 : x
  2. Step 2: Convert to fraction form
    11,829.26/17,743.89 = 6,638.78/x
  3. Step 3: Cross multiply
    11,829.26x = 17,743.89 × 6,638.78
  4. Step 4: Simplify right side
    11,829.26x = 117,797,693.33
  5. Step 5: Solve for x
    x = 117,797,693.33/11,829.26
  6. Step 6: Final answer
    x = 9,958.17

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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.