Home / 18,125.28-27,180-10,744.56

Finding the Fourth Proportional to 18,125.28, 27,180 and 10,744.56

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Solution

The fourth proportional to 18,125.28, 27,180 and 10,744.56 is: 16,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.28 : 27,180 = 10,744.56 : x
  2. Step 2: Convert to fraction form
    18,125.28/27,180 = 10,744.56/x
  3. Step 3: Cross multiply
    18,125.28x = 27,180 × 10,744.56
  4. Step 4: Simplify right side
    18,125.28x = 292,037,140.80
  5. Step 5: Solve for x
    x = 292,037,140.80/18,125.28
  6. Step 6: Final answer
    x = 16,112.15

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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.