Home / 10,775.42-16,162.66-3,379.71

Finding the Fourth Proportional to 10,775.42, 16,162.66 and 3,379.71

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Solution

The fourth proportional to 10,775.42, 16,162.66 and 3,379.71 is: 5,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.42 : 16,162.66 = 3,379.71 : x
  2. Step 2: Convert to fraction form
    10,775.42/16,162.66 = 3,379.71/x
  3. Step 3: Cross multiply
    10,775.42x = 16,162.66 × 3,379.71
  4. Step 4: Simplify right side
    10,775.42x = 54,625,103.63
  5. Step 5: Solve for x
    x = 54,625,103.63/10,775.42
  6. Step 6: Final answer
    x = 5,069.42

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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.