Home / 11,821.52-17,743.08-5,982.14

Finding the Fourth Proportional to 11,821.52, 17,743.08 and 5,982.14

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Solution

The fourth proportional to 11,821.52, 17,743.08 and 5,982.14 is: 8,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.52 : 17,743.08 = 5,982.14 : x
  2. Step 2: Convert to fraction form
    11,821.52/17,743.08 = 5,982.14/x
  3. Step 3: Cross multiply
    11,821.52x = 17,743.08 × 5,982.14
  4. Step 4: Simplify right side
    11,821.52x = 106,141,588.59
  5. Step 5: Solve for x
    x = 106,141,588.59/11,821.52
  6. Step 6: Final answer
    x = 8,978.68

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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.