Home / 11,213.46-16,819.38-3,817.71

Finding the Fourth Proportional to 11,213.46, 16,819.38 and 3,817.71

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Solution

The fourth proportional to 11,213.46, 16,819.38 and 3,817.71 is: 5,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.46 : 16,819.38 = 3,817.71 : x
  2. Step 2: Convert to fraction form
    11,213.46/16,819.38 = 3,817.71/x
  3. Step 3: Cross multiply
    11,213.46x = 16,819.38 × 3,817.71
  4. Step 4: Simplify right side
    11,213.46x = 64,211,515.22
  5. Step 5: Solve for x
    x = 64,211,515.22/11,213.46
  6. Step 6: Final answer
    x = 5,726.29

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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.