Home / 11,963.26-17,855.31-11,175.94

Finding the Fourth Proportional to 11,963.26, 17,855.31 and 11,175.94

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Solution

The fourth proportional to 11,963.26, 17,855.31 and 11,175.94 is: 16,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.26 : 17,855.31 = 11,175.94 : x
  2. Step 2: Convert to fraction form
    11,963.26/17,855.31 = 11,175.94/x
  3. Step 3: Cross multiply
    11,963.26x = 17,855.31 × 11,175.94
  4. Step 4: Simplify right side
    11,963.26x = 199,549,728.09
  5. Step 5: Solve for x
    x = 199,549,728.09/11,963.26
  6. Step 6: Final answer
    x = 16,680.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.