Home / 13,213.10-19,819.82-3,352.14

Finding the Fourth Proportional to 13,213.10, 19,819.82 and 3,352.14

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Solution

The fourth proportional to 13,213.10, 19,819.82 and 3,352.14 is: 5,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.10 : 19,819.82 = 3,352.14 : x
  2. Step 2: Convert to fraction form
    13,213.10/19,819.82 = 3,352.14/x
  3. Step 3: Cross multiply
    13,213.10x = 19,819.82 × 3,352.14
  4. Step 4: Simplify right side
    13,213.10x = 66,438,811.41
  5. Step 5: Solve for x
    x = 66,438,811.41/13,213.10
  6. Step 6: Final answer
    x = 5,028.25

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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.