Home / 13,344.35-20,012.67-3,983.99

Finding the Fourth Proportional to 13,344.35, 20,012.67 and 3,983.99

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Solution

The fourth proportional to 13,344.35, 20,012.67 and 3,983.99 is: 5,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.35 : 20,012.67 = 3,983.99 : x
  2. Step 2: Convert to fraction form
    13,344.35/20,012.67 = 3,983.99/x
  3. Step 3: Cross multiply
    13,344.35x = 20,012.67 × 3,983.99
  4. Step 4: Simplify right side
    13,344.35x = 79,730,177.09
  5. Step 5: Solve for x
    x = 79,730,177.09/13,344.35
  6. Step 6: Final answer
    x = 5,974.83

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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.