Home / 12,787.62-19,182.24-4,022.88

Finding the Fourth Proportional to 12,787.62, 19,182.24 and 4,022.88

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Solution

The fourth proportional to 12,787.62, 19,182.24 and 4,022.88 is: 6,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787.62 : 19,182.24 = 4,022.88 : x
  2. Step 2: Convert to fraction form
    12,787.62/19,182.24 = 4,022.88/x
  3. Step 3: Cross multiply
    12,787.62x = 19,182.24 × 4,022.88
  4. Step 4: Simplify right side
    12,787.62x = 77,167,849.65
  5. Step 5: Solve for x
    x = 77,167,849.65/12,787.62
  6. Step 6: Final answer
    x = 6,034.57

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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.