Home / 12,546.75-18,823.37-3,661.86

Finding the Fourth Proportional to 12,546.75, 18,823.37 and 3,661.86

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Solution

The fourth proportional to 12,546.75, 18,823.37 and 3,661.86 is: 5,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.75 : 18,823.37 = 3,661.86 : x
  2. Step 2: Convert to fraction form
    12,546.75/18,823.37 = 3,661.86/x
  3. Step 3: Cross multiply
    12,546.75x = 18,823.37 × 3,661.86
  4. Step 4: Simplify right side
    12,546.75x = 68,928,527.36
  5. Step 5: Solve for x
    x = 68,928,527.36/12,546.75
  6. Step 6: Final answer
    x = 5,493.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.