Home / 11,889.33-17,839.53-5,319.96

Finding the Fourth Proportional to 11,889.33, 17,839.53 and 5,319.96

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Solution

The fourth proportional to 11,889.33, 17,839.53 and 5,319.96 is: 7,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.33 : 17,839.53 = 5,319.96 : x
  2. Step 2: Convert to fraction form
    11,889.33/17,839.53 = 5,319.96/x
  3. Step 3: Cross multiply
    11,889.33x = 17,839.53 × 5,319.96
  4. Step 4: Simplify right side
    11,889.33x = 94,905,586.02
  5. Step 5: Solve for x
    x = 94,905,586.02/11,889.33
  6. Step 6: Final answer
    x = 7,982.42

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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.