Home / 17,982.67-27,018.62-11,661.57

Finding the Fourth Proportional to 17,982.67, 27,018.62 and 11,661.57

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Solution

The fourth proportional to 17,982.67, 27,018.62 and 11,661.57 is: 17,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.67 : 27,018.62 = 11,661.57 : x
  2. Step 2: Convert to fraction form
    17,982.67/27,018.62 = 11,661.57/x
  3. Step 3: Cross multiply
    17,982.67x = 27,018.62 × 11,661.57
  4. Step 4: Simplify right side
    17,982.67x = 315,079,528.43
  5. Step 5: Solve for x
    x = 315,079,528.43/17,982.67
  6. Step 6: Final answer
    x = 17,521.29

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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.