Home / 13,996.53-20,993.18-5,680.26

Finding the Fourth Proportional to 13,996.53, 20,993.18 and 5,680.26

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Solution

The fourth proportional to 13,996.53, 20,993.18 and 5,680.26 is: 8,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.53 : 20,993.18 = 5,680.26 : x
  2. Step 2: Convert to fraction form
    13,996.53/20,993.18 = 5,680.26/x
  3. Step 3: Cross multiply
    13,996.53x = 20,993.18 × 5,680.26
  4. Step 4: Simplify right side
    13,996.53x = 119,246,692.23
  5. Step 5: Solve for x
    x = 119,246,692.23/13,996.53
  6. Step 6: Final answer
    x = 8,519.73

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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.