Home / 18,247.68-25,179.66-10,289.43

Finding the Fourth Proportional to 18,247.68, 25,179.66 and 10,289.43

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Solution

The fourth proportional to 18,247.68, 25,179.66 and 10,289.43 is: 14,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.68 : 25,179.66 = 10,289.43 : x
  2. Step 2: Convert to fraction form
    18,247.68/25,179.66 = 10,289.43/x
  3. Step 3: Cross multiply
    18,247.68x = 25,179.66 × 10,289.43
  4. Step 4: Simplify right side
    18,247.68x = 259,084,348.99
  5. Step 5: Solve for x
    x = 259,084,348.99/18,247.68
  6. Step 6: Final answer
    x = 14,198.21

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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.