Home / 13,800.48-20,694.49-3,937.41

Finding the Fourth Proportional to 13,800.48, 20,694.49 and 3,937.41

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Solution

The fourth proportional to 13,800.48, 20,694.49 and 3,937.41 is: 5,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.48 : 20,694.49 = 3,937.41 : x
  2. Step 2: Convert to fraction form
    13,800.48/20,694.49 = 3,937.41/x
  3. Step 3: Cross multiply
    13,800.48x = 20,694.49 × 3,937.41
  4. Step 4: Simplify right side
    13,800.48x = 81,482,691.87
  5. Step 5: Solve for x
    x = 81,482,691.87/13,800.48
  6. Step 6: Final answer
    x = 5,904.34

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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.