Home / 11,974.17-17,945.78-8,270.49

Finding the Fourth Proportional to 11,974.17, 17,945.78 and 8,270.49

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Solution

The fourth proportional to 11,974.17, 17,945.78 and 8,270.49 is: 12,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.17 : 17,945.78 = 8,270.49 : x
  2. Step 2: Convert to fraction form
    11,974.17/17,945.78 = 8,270.49/x
  3. Step 3: Cross multiply
    11,974.17x = 17,945.78 × 8,270.49
  4. Step 4: Simplify right side
    11,974.17x = 148,420,352.68
  5. Step 5: Solve for x
    x = 148,420,352.68/11,974.17
  6. Step 6: Final answer
    x = 12,395.04

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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.