Home / 18,257.28-25,191.36-11,544.96

Finding the Fourth Proportional to 18,257.28, 25,191.36 and 11,544.96

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Solution

The fourth proportional to 18,257.28, 25,191.36 and 11,544.96 is: 15,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.28 : 25,191.36 = 11,544.96 : x
  2. Step 2: Convert to fraction form
    18,257.28/25,191.36 = 11,544.96/x
  3. Step 3: Cross multiply
    18,257.28x = 25,191.36 × 11,544.96
  4. Step 4: Simplify right side
    18,257.28x = 290,833,243.55
  5. Step 5: Solve for x
    x = 290,833,243.55/18,257.28
  6. Step 6: Final answer
    x = 15,929.71

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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.