Home / 18,234.29-25,150.83-11,164.21

Finding the Fourth Proportional to 18,234.29, 25,150.83 and 11,164.21

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Solution

The fourth proportional to 18,234.29, 25,150.83 and 11,164.21 is: 15,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.29 : 25,150.83 = 11,164.21 : x
  2. Step 2: Convert to fraction form
    18,234.29/25,150.83 = 11,164.21/x
  3. Step 3: Cross multiply
    18,234.29x = 25,150.83 × 11,164.21
  4. Step 4: Simplify right side
    18,234.29x = 280,789,147.79
  5. Step 5: Solve for x
    x = 280,789,147.79/18,234.29
  6. Step 6: Final answer
    x = 15,398.96

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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.