Home / 13,713.26-20,569.88-3,325

Finding the Fourth Proportional to 13,713.26, 20,569.88 and 3,325

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Solution

The fourth proportional to 13,713.26, 20,569.88 and 3,325 is: 4,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.26 : 20,569.88 = 3,325 : x
  2. Step 2: Convert to fraction form
    13,713.26/20,569.88 = 3,325/x
  3. Step 3: Cross multiply
    13,713.26x = 20,569.88 × 3,325
  4. Step 4: Simplify right side
    13,713.26x = 68,394,851
  5. Step 5: Solve for x
    x = 68,394,851/13,713.26
  6. Step 6: Final answer
    x = 4,987.50

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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.