Home / 18,631.62-27,941.76-8,760.96

Finding the Fourth Proportional to 18,631.62, 27,941.76 and 8,760.96

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Solution

The fourth proportional to 18,631.62, 27,941.76 and 8,760.96 is: 13,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.62 : 27,941.76 = 8,760.96 : x
  2. Step 2: Convert to fraction form
    18,631.62/27,941.76 = 8,760.96/x
  3. Step 3: Cross multiply
    18,631.62x = 27,941.76 × 8,760.96
  4. Step 4: Simplify right side
    18,631.62x = 244,796,641.69
  5. Step 5: Solve for x
    x = 244,796,641.69/18,631.62
  6. Step 6: Final answer
    x = 13,138.77

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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.