Home / 13,794.36-20,694.80-3,933.78

Finding the Fourth Proportional to 13,794.36, 20,694.80 and 3,933.78

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Solution

The fourth proportional to 13,794.36, 20,694.80 and 3,933.78 is: 5,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.36 : 20,694.80 = 3,933.78 : x
  2. Step 2: Convert to fraction form
    13,794.36/20,694.80 = 3,933.78/x
  3. Step 3: Cross multiply
    13,794.36x = 20,694.80 × 3,933.78
  4. Step 4: Simplify right side
    13,794.36x = 81,408,790.34
  5. Step 5: Solve for x
    x = 81,408,790.34/13,794.36
  6. Step 6: Final answer
    x = 5,901.60

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1.5x scale

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.