Home / 10,819.75-16,228.00-3,423.25

Finding the Fourth Proportional to 10,819.75, 16,228.00 and 3,423.25

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Solution

The fourth proportional to 10,819.75, 16,228.00 and 3,423.25 is: 5,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.75 : 16,228.00 = 3,423.25 : x
  2. Step 2: Convert to fraction form
    10,819.75/16,228.00 = 3,423.25/x
  3. Step 3: Cross multiply
    10,819.75x = 16,228.00 × 3,423.25
  4. Step 4: Simplify right side
    10,819.75x = 55,552,479.92
  5. Step 5: Solve for x
    x = 55,552,479.92/10,819.75
  6. Step 6: Final answer
    x = 5,134.36

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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.