Home / 9,213.85-13,819.36-3,369.09

Finding the Fourth Proportional to 9,213.85, 13,819.36 and 3,369.09

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Solution

The fourth proportional to 9,213.85, 13,819.36 and 3,369.09 is: 5,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.85 : 13,819.36 = 3,369.09 : x
  2. Step 2: Convert to fraction form
    9,213.85/13,819.36 = 3,369.09/x
  3. Step 3: Cross multiply
    9,213.85x = 13,819.36 × 3,369.09
  4. Step 4: Simplify right side
    9,213.85x = 46,558,717.30
  5. Step 5: Solve for x
    x = 46,558,717.30/9,213.85
  6. Step 6: Final answer
    x = 5,053.12

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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.