Home / 20,247.33-30,380.22-10,393.53

Finding the Fourth Proportional to 20,247.33, 30,380.22 and 10,393.53

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Solution

The fourth proportional to 20,247.33, 30,380.22 and 10,393.53 is: 15,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.33 : 30,380.22 = 10,393.53 : x
  2. Step 2: Convert to fraction form
    20,247.33/30,380.22 = 10,393.53/x
  3. Step 3: Cross multiply
    20,247.33x = 30,380.22 × 10,393.53
  4. Step 4: Simplify right side
    20,247.33x = 315,757,727.98
  5. Step 5: Solve for x
    x = 315,757,727.98/20,247.33
  6. Step 6: Final answer
    x = 15,595.03

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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.