Home / 10,682.26-16,020.90-2,891.68

Finding the Fourth Proportional to 10,682.26, 16,020.90 and 2,891.68

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Solution

The fourth proportional to 10,682.26, 16,020.90 and 2,891.68 is: 4,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,682.26 : 16,020.90 = 2,891.68 : x
  2. Step 2: Convert to fraction form
    10,682.26/16,020.90 = 2,891.68/x
  3. Step 3: Cross multiply
    10,682.26x = 16,020.90 × 2,891.68
  4. Step 4: Simplify right side
    10,682.26x = 46,327,316.11
  5. Step 5: Solve for x
    x = 46,327,316.11/10,682.26
  6. Step 6: Final answer
    x = 4,336.85

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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.