Home / 13,223.62-19,832.37-3,861.55

Finding the Fourth Proportional to 13,223.62, 19,832.37 and 3,861.55

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Solution

The fourth proportional to 13,223.62, 19,832.37 and 3,861.55 is: 5,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.62 : 19,832.37 = 3,861.55 : x
  2. Step 2: Convert to fraction form
    13,223.62/19,832.37 = 3,861.55/x
  3. Step 3: Cross multiply
    13,223.62x = 19,832.37 × 3,861.55
  4. Step 4: Simplify right side
    13,223.62x = 76,583,688.37
  5. Step 5: Solve for x
    x = 76,583,688.37/13,223.62
  6. Step 6: Final answer
    x = 5,791.43

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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.