Home / 11,230.72-16,845.46-3,439.54

Finding the Fourth Proportional to 11,230.72, 16,845.46 and 3,439.54

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Solution

The fourth proportional to 11,230.72, 16,845.46 and 3,439.54 is: 5,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.72 : 16,845.46 = 3,439.54 : x
  2. Step 2: Convert to fraction form
    11,230.72/16,845.46 = 3,439.54/x
  3. Step 3: Cross multiply
    11,230.72x = 16,845.46 × 3,439.54
  4. Step 4: Simplify right side
    11,230.72x = 57,940,633.49
  5. Step 5: Solve for x
    x = 57,940,633.49/11,230.72
  6. Step 6: Final answer
    x = 5,159.12

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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.