Home / 12,163.23-18,125.60-11,766.83

Finding the Fourth Proportional to 12,163.23, 18,125.60 and 11,766.83

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Solution

The fourth proportional to 12,163.23, 18,125.60 and 11,766.83 is: 17,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.23 : 18,125.60 = 11,766.83 : x
  2. Step 2: Convert to fraction form
    12,163.23/18,125.60 = 11,766.83/x
  3. Step 3: Cross multiply
    12,163.23x = 18,125.60 × 11,766.83
  4. Step 4: Simplify right side
    12,163.23x = 213,280,704.39
  5. Step 5: Solve for x
    x = 213,280,704.39/12,163.23
  6. Step 6: Final answer
    x = 17,534.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.