Home / 20,255.94-30,381.76-5,463.94

Finding the Fourth Proportional to 20,255.94, 30,381.76 and 5,463.94

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Solution

The fourth proportional to 20,255.94, 30,381.76 and 5,463.94 is: 8,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.94 : 30,381.76 = 5,463.94 : x
  2. Step 2: Convert to fraction form
    20,255.94/30,381.76 = 5,463.94/x
  3. Step 3: Cross multiply
    20,255.94x = 30,381.76 × 5,463.94
  4. Step 4: Simplify right side
    20,255.94x = 166,004,113.73
  5. Step 5: Solve for x
    x = 166,004,113.73/20,255.94
  6. Step 6: Final answer
    x = 8,195.33

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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.