Home / 12,553.41-18,833.16-3,787.80

Finding the Fourth Proportional to 12,553.41, 18,833.16 and 3,787.80

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Solution

The fourth proportional to 12,553.41, 18,833.16 and 3,787.80 is: 5,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.41 : 18,833.16 = 3,787.80 : x
  2. Step 2: Convert to fraction form
    12,553.41/18,833.16 = 3,787.80/x
  3. Step 3: Cross multiply
    12,553.41x = 18,833.16 × 3,787.80
  4. Step 4: Simplify right side
    12,553.41x = 71,336,243.45
  5. Step 5: Solve for x
    x = 71,336,243.45/12,553.41
  6. Step 6: Final answer
    x = 5,682.62

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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.