Home / 11,122.72-16,678-4,553.52

Finding the Fourth Proportional to 11,122.72, 16,678 and 4,553.52

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Solution

The fourth proportional to 11,122.72, 16,678 and 4,553.52 is: 6,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.72 : 16,678 = 4,553.52 : x
  2. Step 2: Convert to fraction form
    11,122.72/16,678 = 4,553.52/x
  3. Step 3: Cross multiply
    11,122.72x = 16,678 × 4,553.52
  4. Step 4: Simplify right side
    11,122.72x = 75,943,606.56
  5. Step 5: Solve for x
    x = 75,943,606.56/11,122.72
  6. Step 6: Final answer
    x = 6,827.79

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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.