Home / 11,985.67-17,972.17-5,319.27

Finding the Fourth Proportional to 11,985.67, 17,972.17 and 5,319.27

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Solution

The fourth proportional to 11,985.67, 17,972.17 and 5,319.27 is: 7,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.67 : 17,972.17 = 5,319.27 : x
  2. Step 2: Convert to fraction form
    11,985.67/17,972.17 = 5,319.27/x
  3. Step 3: Cross multiply
    11,985.67x = 17,972.17 × 5,319.27
  4. Step 4: Simplify right side
    11,985.67x = 95,598,811.42
  5. Step 5: Solve for x
    x = 95,598,811.42/11,985.67
  6. Step 6: Final answer
    x = 7,976.09

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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.