Home / 13,193.26-19,791.70-4,427.04

Finding the Fourth Proportional to 13,193.26, 19,791.70 and 4,427.04

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Solution

The fourth proportional to 13,193.26, 19,791.70 and 4,427.04 is: 6,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.26 : 19,791.70 = 4,427.04 : x
  2. Step 2: Convert to fraction form
    13,193.26/19,791.70 = 4,427.04/x
  3. Step 3: Cross multiply
    13,193.26x = 19,791.70 × 4,427.04
  4. Step 4: Simplify right side
    13,193.26x = 87,618,647.57
  5. Step 5: Solve for x
    x = 87,618,647.57/13,193.26
  6. Step 6: Final answer
    x = 6,641.17

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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.