Home / 11,839.69-17,765.75-4,824.89

Finding the Fourth Proportional to 11,839.69, 17,765.75 and 4,824.89

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Solution

The fourth proportional to 11,839.69, 17,765.75 and 4,824.89 is: 7,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.69 : 17,765.75 = 4,824.89 : x
  2. Step 2: Convert to fraction form
    11,839.69/17,765.75 = 4,824.89/x
  3. Step 3: Cross multiply
    11,839.69x = 17,765.75 × 4,824.89
  4. Step 4: Simplify right side
    11,839.69x = 85,717,789.52
  5. Step 5: Solve for x
    x = 85,717,789.52/11,839.69
  6. Step 6: Final answer
    x = 7,239.87

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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.