Home / 11,982.90-17,974.37-5,410.97

Finding the Fourth Proportional to 11,982.90, 17,974.37 and 5,410.97

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Solution

The fourth proportional to 11,982.90, 17,974.37 and 5,410.97 is: 8,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.90 : 17,974.37 = 5,410.97 : x
  2. Step 2: Convert to fraction form
    11,982.90/17,974.37 = 5,410.97/x
  3. Step 3: Cross multiply
    11,982.90x = 17,974.37 × 5,410.97
  4. Step 4: Simplify right side
    11,982.90x = 97,258,776.84
  5. Step 5: Solve for x
    x = 97,258,776.84/11,982.90
  6. Step 6: Final answer
    x = 8,116.46

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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.