Home / 16,768.50-23,150.25-11,189.22

Finding the Fourth Proportional to 16,768.50, 23,150.25 and 11,189.22

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Solution

The fourth proportional to 16,768.50, 23,150.25 and 11,189.22 is: 15,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.50 : 23,150.25 = 11,189.22 : x
  2. Step 2: Convert to fraction form
    16,768.50/23,150.25 = 11,189.22/x
  3. Step 3: Cross multiply
    16,768.50x = 23,150.25 × 11,189.22
  4. Step 4: Simplify right side
    16,768.50x = 259,033,240.31
  5. Step 5: Solve for x
    x = 259,033,240.31/16,768.50
  6. Step 6: Final answer
    x = 15,447.61

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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.