Home / 11,613.32-16,028.94-7,634.80

Finding the Fourth Proportional to 11,613.32, 16,028.94 and 7,634.80

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Solution

The fourth proportional to 11,613.32, 16,028.94 and 7,634.80 is: 10,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.32 : 16,028.94 = 7,634.80 : x
  2. Step 2: Convert to fraction form
    11,613.32/16,028.94 = 7,634.80/x
  3. Step 3: Cross multiply
    11,613.32x = 16,028.94 × 7,634.80
  4. Step 4: Simplify right side
    11,613.32x = 122,377,751.11
  5. Step 5: Solve for x
    x = 122,377,751.11/11,613.32
  6. Step 6: Final answer
    x = 10,537.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.