Home / 18,234.30-25,150.82-11,164.20

Finding the Fourth Proportional to 18,234.30, 25,150.82 and 11,164.20

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Solution

The fourth proportional to 18,234.30, 25,150.82 and 11,164.20 is: 15,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.30 : 25,150.82 = 11,164.20 : x
  2. Step 2: Convert to fraction form
    18,234.30/25,150.82 = 11,164.20/x
  3. Step 3: Cross multiply
    18,234.30x = 25,150.82 × 11,164.20
  4. Step 4: Simplify right side
    18,234.30x = 280,788,784.64
  5. Step 5: Solve for x
    x = 280,788,784.64/18,234.30
  6. Step 6: Final answer
    x = 15,398.93

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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.