Home / 13,625.20-20,440.23-3,764.26

Finding the Fourth Proportional to 13,625.20, 20,440.23 and 3,764.26

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Solution

The fourth proportional to 13,625.20, 20,440.23 and 3,764.26 is: 5,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.20 : 20,440.23 = 3,764.26 : x
  2. Step 2: Convert to fraction form
    13,625.20/20,440.23 = 3,764.26/x
  3. Step 3: Cross multiply
    13,625.20x = 20,440.23 × 3,764.26
  4. Step 4: Simplify right side
    13,625.20x = 76,942,340.18
  5. Step 5: Solve for x
    x = 76,942,340.18/13,625.20
  6. Step 6: Final answer
    x = 5,647.06

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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.