Home / 18,180.97-25,088.26-10,221.70

Finding the Fourth Proportional to 18,180.97, 25,088.26 and 10,221.70

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Solution

The fourth proportional to 18,180.97, 25,088.26 and 10,221.70 is: 14,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.97 : 25,088.26 = 10,221.70 : x
  2. Step 2: Convert to fraction form
    18,180.97/25,088.26 = 10,221.70/x
  3. Step 3: Cross multiply
    18,180.97x = 25,088.26 × 10,221.70
  4. Step 4: Simplify right side
    18,180.97x = 256,444,667.24
  5. Step 5: Solve for x
    x = 256,444,667.24/18,180.97
  6. Step 6: Final answer
    x = 14,105.11

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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.