Home / 10,819.72-16,231.26-3,895.84

Finding the Fourth Proportional to 10,819.72, 16,231.26 and 3,895.84

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Solution

The fourth proportional to 10,819.72, 16,231.26 and 3,895.84 is: 5,844.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.72 : 16,231.26 = 3,895.84 : x
  2. Step 2: Convert to fraction form
    10,819.72/16,231.26 = 3,895.84/x
  3. Step 3: Cross multiply
    10,819.72x = 16,231.26 × 3,895.84
  4. Step 4: Simplify right side
    10,819.72x = 63,234,391.96
  5. Step 5: Solve for x
    x = 63,234,391.96/10,819.72
  6. Step 6: Final answer
    x = 5,844.36

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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.