Home / 10,819.27-16,228.91-3,424.48

Finding the Fourth Proportional to 10,819.27, 16,228.91 and 3,424.48

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Solution

The fourth proportional to 10,819.27, 16,228.91 and 3,424.48 is: 5,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.27 : 16,228.91 = 3,424.48 : x
  2. Step 2: Convert to fraction form
    10,819.27/16,228.91 = 3,424.48/x
  3. Step 3: Cross multiply
    10,819.27x = 16,228.91 × 3,424.48
  4. Step 4: Simplify right side
    10,819.27x = 55,575,526.44
  5. Step 5: Solve for x
    x = 55,575,526.44/10,819.27
  6. Step 6: Final answer
    x = 5,136.72

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1.5x scale

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.