Home / 18,179.68-25,085.82-10,221.46

Finding the Fourth Proportional to 18,179.68, 25,085.82 and 10,221.46

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Solution

The fourth proportional to 18,179.68, 25,085.82 and 10,221.46 is: 14,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.68 : 25,085.82 = 10,221.46 : x
  2. Step 2: Convert to fraction form
    18,179.68/25,085.82 = 10,221.46/x
  3. Step 3: Cross multiply
    18,179.68x = 25,085.82 × 10,221.46
  4. Step 4: Simplify right side
    18,179.68x = 256,413,705.70
  5. Step 5: Solve for x
    x = 256,413,705.70/18,179.68
  6. Step 6: Final answer
    x = 14,104.41

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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.