Home / 10,775.27-16,162.91-3,380.38

Finding the Fourth Proportional to 10,775.27, 16,162.91 and 3,380.38

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Solution

The fourth proportional to 10,775.27, 16,162.91 and 3,380.38 is: 5,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.27 : 16,162.91 = 3,380.38 : x
  2. Step 2: Convert to fraction form
    10,775.27/16,162.91 = 3,380.38/x
  3. Step 3: Cross multiply
    10,775.27x = 16,162.91 × 3,380.38
  4. Step 4: Simplify right side
    10,775.27x = 54,636,745.75
  5. Step 5: Solve for x
    x = 54,636,745.75/10,775.27
  6. Step 6: Final answer
    x = 5,070.57

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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.