Home / 15,857.75-23,787.99-4,170.97

Finding the Fourth Proportional to 15,857.75, 23,787.99 and 4,170.97

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Solution

The fourth proportional to 15,857.75, 23,787.99 and 4,170.97 is: 6,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.75 : 23,787.99 = 4,170.97 : x
  2. Step 2: Convert to fraction form
    15,857.75/23,787.99 = 4,170.97/x
  3. Step 3: Cross multiply
    15,857.75x = 23,787.99 × 4,170.97
  4. Step 4: Simplify right side
    15,857.75x = 99,218,992.65
  5. Step 5: Solve for x
    x = 99,218,992.65/15,857.75
  6. Step 6: Final answer
    x = 6,256.81

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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.