Home / 13,546.73-18,694.78-8,169.17

Finding the Fourth Proportional to 13,546.73, 18,694.78 and 8,169.17

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Solution

The fourth proportional to 13,546.73, 18,694.78 and 8,169.17 is: 11,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.73 : 18,694.78 = 8,169.17 : x
  2. Step 2: Convert to fraction form
    13,546.73/18,694.78 = 8,169.17/x
  3. Step 3: Cross multiply
    13,546.73x = 18,694.78 × 8,169.17
  4. Step 4: Simplify right side
    13,546.73x = 152,720,722.04
  5. Step 5: Solve for x
    x = 152,720,722.04/13,546.73
  6. Step 6: Final answer
    x = 11,273.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.