Home / 16,778.19-23,152.71-9,224.33

Finding the Fourth Proportional to 16,778.19, 23,152.71 and 9,224.33

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Solution

The fourth proportional to 16,778.19, 23,152.71 and 9,224.33 is: 12,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.19 : 23,152.71 = 9,224.33 : x
  2. Step 2: Convert to fraction form
    16,778.19/23,152.71 = 9,224.33/x
  3. Step 3: Cross multiply
    16,778.19x = 23,152.71 × 9,224.33
  4. Step 4: Simplify right side
    16,778.19x = 213,568,121.67
  5. Step 5: Solve for x
    x = 213,568,121.67/16,778.19
  6. Step 6: Final answer
    x = 12,728.91

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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.