Home / 11,774.09-17,660.67-3,982.90

Finding the Fourth Proportional to 11,774.09, 17,660.67 and 3,982.90

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Solution

The fourth proportional to 11,774.09, 17,660.67 and 3,982.90 is: 5,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.09 : 17,660.67 = 3,982.90 : x
  2. Step 2: Convert to fraction form
    11,774.09/17,660.67 = 3,982.90/x
  3. Step 3: Cross multiply
    11,774.09x = 17,660.67 × 3,982.90
  4. Step 4: Simplify right side
    11,774.09x = 70,340,682.54
  5. Step 5: Solve for x
    x = 70,340,682.54/11,774.09
  6. Step 6: Final answer
    x = 5,974.19

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1.5x scale

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.