Home / 11,625.80-17,438.70-3,834.20

Finding the Fourth Proportional to 11,625.80, 17,438.70 and 3,834.20

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Solution

The fourth proportional to 11,625.80, 17,438.70 and 3,834.20 is: 5,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.80 : 17,438.70 = 3,834.20 : x
  2. Step 2: Convert to fraction form
    11,625.80/17,438.70 = 3,834.20/x
  3. Step 3: Cross multiply
    11,625.80x = 17,438.70 × 3,834.20
  4. Step 4: Simplify right side
    11,625.80x = 66,863,463.54
  5. Step 5: Solve for x
    x = 66,863,463.54/11,625.80
  6. Step 6: Final answer
    x = 5,751.30

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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.