Home / 18,234.72-27,351.84-8,873.28

Finding the Fourth Proportional to 18,234.72, 27,351.84 and 8,873.28

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Solution

The fourth proportional to 18,234.72, 27,351.84 and 8,873.28 is: 13,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.72 : 27,351.84 = 8,873.28 : x
  2. Step 2: Convert to fraction form
    18,234.72/27,351.84 = 8,873.28/x
  3. Step 3: Cross multiply
    18,234.72x = 27,351.84 × 8,873.28
  4. Step 4: Simplify right side
    18,234.72x = 242,700,534.84
  5. Step 5: Solve for x
    x = 242,700,534.84/18,234.72
  6. Step 6: Final answer
    x = 13,309.80

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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.