Home / 17,982.87-26,974.56-6,890.13

Finding the Fourth Proportional to 17,982.87, 26,974.56 and 6,890.13

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Solution

The fourth proportional to 17,982.87, 26,974.56 and 6,890.13 is: 10,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.87 : 26,974.56 = 6,890.13 : x
  2. Step 2: Convert to fraction form
    17,982.87/26,974.56 = 6,890.13/x
  3. Step 3: Cross multiply
    17,982.87x = 26,974.56 × 6,890.13
  4. Step 4: Simplify right side
    17,982.87x = 185,858,225.09
  5. Step 5: Solve for x
    x = 185,858,225.09/17,982.87
  6. Step 6: Final answer
    x = 10,335.29

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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.