Home / 13,338.54-20,008.82-3,977.83

Finding the Fourth Proportional to 13,338.54, 20,008.82 and 3,977.83

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Solution

The fourth proportional to 13,338.54, 20,008.82 and 3,977.83 is: 5,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.54 : 20,008.82 = 3,977.83 : x
  2. Step 2: Convert to fraction form
    13,338.54/20,008.82 = 3,977.83/x
  3. Step 3: Cross multiply
    13,338.54x = 20,008.82 × 3,977.83
  4. Step 4: Simplify right side
    13,338.54x = 79,591,584.42
  5. Step 5: Solve for x
    x = 79,591,584.42/13,338.54
  6. Step 6: Final answer
    x = 5,967.04

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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.