Home / 13,799.48-20,692.99-3,936.41

Finding the Fourth Proportional to 13,799.48, 20,692.99 and 3,936.41

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Solution

The fourth proportional to 13,799.48, 20,692.99 and 3,936.41 is: 5,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.48 : 20,692.99 = 3,936.41 : x
  2. Step 2: Convert to fraction form
    13,799.48/20,692.99 = 3,936.41/x
  3. Step 3: Cross multiply
    13,799.48x = 20,692.99 × 3,936.41
  4. Step 4: Simplify right side
    13,799.48x = 81,456,049.68
  5. Step 5: Solve for x
    x = 81,456,049.68/13,799.48
  6. Step 6: Final answer
    x = 5,902.84

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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.