Home / 10,945.97-16,418.97-3,154.78

Finding the Fourth Proportional to 10,945.97, 16,418.97 and 3,154.78

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Solution

The fourth proportional to 10,945.97, 16,418.97 and 3,154.78 is: 4,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.97 : 16,418.97 = 3,154.78 : x
  2. Step 2: Convert to fraction form
    10,945.97/16,418.97 = 3,154.78/x
  3. Step 3: Cross multiply
    10,945.97x = 16,418.97 × 3,154.78
  4. Step 4: Simplify right side
    10,945.97x = 51,798,258.70
  5. Step 5: Solve for x
    x = 51,798,258.70/10,945.97
  6. Step 6: Final answer
    x = 4,732.18

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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.