Home / 13,337.12-20,006.72-3,976.43

Finding the Fourth Proportional to 13,337.12, 20,006.72 and 3,976.43

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Solution

The fourth proportional to 13,337.12, 20,006.72 and 3,976.43 is: 5,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.12 : 20,006.72 = 3,976.43 : x
  2. Step 2: Convert to fraction form
    13,337.12/20,006.72 = 3,976.43/x
  3. Step 3: Cross multiply
    13,337.12x = 20,006.72 × 3,976.43
  4. Step 4: Simplify right side
    13,337.12x = 79,555,231.52
  5. Step 5: Solve for x
    x = 79,555,231.52/13,337.12
  6. Step 6: Final answer
    x = 5,964.95

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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.