Home / 16,165.25-22,296.11-11,131.09

Finding the Fourth Proportional to 16,165.25, 22,296.11 and 11,131.09

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Solution

The fourth proportional to 16,165.25, 22,296.11 and 11,131.09 is: 15,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,165.25 : 22,296.11 = 11,131.09 : x
  2. Step 2: Convert to fraction form
    16,165.25/22,296.11 = 11,131.09/x
  3. Step 3: Cross multiply
    16,165.25x = 22,296.11 × 11,131.09
  4. Step 4: Simplify right side
    16,165.25x = 248,179,987.70
  5. Step 5: Solve for x
    x = 248,179,987.70/16,165.25
  6. Step 6: Final answer
    x = 15,352.69

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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.