Home / 13,797.46-20,694.48-3,937.60

Finding the Fourth Proportional to 13,797.46, 20,694.48 and 3,937.60

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Solution

The fourth proportional to 13,797.46, 20,694.48 and 3,937.60 is: 5,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.46 : 20,694.48 = 3,937.60 : x
  2. Step 2: Convert to fraction form
    13,797.46/20,694.48 = 3,937.60/x
  3. Step 3: Cross multiply
    13,797.46x = 20,694.48 × 3,937.60
  4. Step 4: Simplify right side
    13,797.46x = 81,486,584.45
  5. Step 5: Solve for x
    x = 81,486,584.45/13,797.46
  6. Step 6: Final answer
    x = 5,905.91

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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.