Home / 18,912.94-26,091.09-12,200.73

Finding the Fourth Proportional to 18,912.94, 26,091.09 and 12,200.73

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Solution

The fourth proportional to 18,912.94, 26,091.09 and 12,200.73 is: 16,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912.94 : 26,091.09 = 12,200.73 : x
  2. Step 2: Convert to fraction form
    18,912.94/26,091.09 = 12,200.73/x
  3. Step 3: Cross multiply
    18,912.94x = 26,091.09 × 12,200.73
  4. Step 4: Simplify right side
    18,912.94x = 318,330,246.65
  5. Step 5: Solve for x
    x = 318,330,246.65/18,912.94
  6. Step 6: Final answer
    x = 16,831.35

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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.