Home / 11,982.21-17,967.10-3,660.54

Finding the Fourth Proportional to 11,982.21, 17,967.10 and 3,660.54

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Solution

The fourth proportional to 11,982.21, 17,967.10 and 3,660.54 is: 5,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.21 : 17,967.10 = 3,660.54 : x
  2. Step 2: Convert to fraction form
    11,982.21/17,967.10 = 3,660.54/x
  3. Step 3: Cross multiply
    11,982.21x = 17,967.10 × 3,660.54
  4. Step 4: Simplify right side
    11,982.21x = 65,769,288.23
  5. Step 5: Solve for x
    x = 65,769,288.23/11,982.21
  6. Step 6: Final answer
    x = 5,488.91

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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.