Home / 20,603.24-30,910.62-6,761.96

Finding the Fourth Proportional to 20,603.24, 30,910.62 and 6,761.96

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Solution

The fourth proportional to 20,603.24, 30,910.62 and 6,761.96 is: 10,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603.24 : 30,910.62 = 6,761.96 : x
  2. Step 2: Convert to fraction form
    20,603.24/30,910.62 = 6,761.96/x
  3. Step 3: Cross multiply
    20,603.24x = 30,910.62 × 6,761.96
  4. Step 4: Simplify right side
    20,603.24x = 209,016,376.02
  5. Step 5: Solve for x
    x = 209,016,376.02/20,603.24
  6. Step 6: Final answer
    x = 10,144.83

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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.