Home / 20,512.72-30,773.20-7,366.12

Finding the Fourth Proportional to 20,512.72, 30,773.20 and 7,366.12

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Solution

The fourth proportional to 20,512.72, 30,773.20 and 7,366.12 is: 11,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512.72 : 30,773.20 = 7,366.12 : x
  2. Step 2: Convert to fraction form
    20,512.72/30,773.20 = 7,366.12/x
  3. Step 3: Cross multiply
    20,512.72x = 30,773.20 × 7,366.12
  4. Step 4: Simplify right side
    20,512.72x = 226,679,083.98
  5. Step 5: Solve for x
    x = 226,679,083.98/20,512.72
  6. Step 6: Final answer
    x = 11,050.66

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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.