Home / 13,195.24-19,792.38-3,961

Finding the Fourth Proportional to 13,195.24, 19,792.38 and 3,961

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Solution

The fourth proportional to 13,195.24, 19,792.38 and 3,961 is: 5,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.24 : 19,792.38 = 3,961 : x
  2. Step 2: Convert to fraction form
    13,195.24/19,792.38 = 3,961/x
  3. Step 3: Cross multiply
    13,195.24x = 19,792.38 × 3,961
  4. Step 4: Simplify right side
    13,195.24x = 78,397,617.18
  5. Step 5: Solve for x
    x = 78,397,617.18/13,195.24
  6. Step 6: Final answer
    x = 5,941.36

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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.