Home / 10,777.35-16,163.67-3,380.83

Finding the Fourth Proportional to 10,777.35, 16,163.67 and 3,380.83

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Solution

The fourth proportional to 10,777.35, 16,163.67 and 3,380.83 is: 5,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.35 : 16,163.67 = 3,380.83 : x
  2. Step 2: Convert to fraction form
    10,777.35/16,163.67 = 3,380.83/x
  3. Step 3: Cross multiply
    10,777.35x = 16,163.67 × 3,380.83
  4. Step 4: Simplify right side
    10,777.35x = 54,646,620.45
  5. Step 5: Solve for x
    x = 54,646,620.45/10,777.35
  6. Step 6: Final answer
    x = 5,070.51

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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.