Home / 11,246.86-16,872.87-3,851.31

Finding the Fourth Proportional to 11,246.86, 16,872.87 and 3,851.31

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Solution

The fourth proportional to 11,246.86, 16,872.87 and 3,851.31 is: 5,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.86 : 16,872.87 = 3,851.31 : x
  2. Step 2: Convert to fraction form
    11,246.86/16,872.87 = 3,851.31/x
  3. Step 3: Cross multiply
    11,246.86x = 16,872.87 × 3,851.31
  4. Step 4: Simplify right side
    11,246.86x = 64,982,730.68
  5. Step 5: Solve for x
    x = 64,982,730.68/11,246.86
  6. Step 6: Final answer
    x = 5,777.85

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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.