Home / 13,750.14-20,625.15-3,361.89

Finding the Fourth Proportional to 13,750.14, 20,625.15 and 3,361.89

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Solution

The fourth proportional to 13,750.14, 20,625.15 and 3,361.89 is: 5,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.14 : 20,625.15 = 3,361.89 : x
  2. Step 2: Convert to fraction form
    13,750.14/20,625.15 = 3,361.89/x
  3. Step 3: Cross multiply
    13,750.14x = 20,625.15 × 3,361.89
  4. Step 4: Simplify right side
    13,750.14x = 69,339,485.53
  5. Step 5: Solve for x
    x = 69,339,485.53/13,750.14
  6. Step 6: Final answer
    x = 5,042.82

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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.