Home / 18,114.66-27,163.76-5,630.94

Finding the Fourth Proportional to 18,114.66, 27,163.76 and 5,630.94

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Solution

The fourth proportional to 18,114.66, 27,163.76 and 5,630.94 is: 8,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.66 : 27,163.76 = 5,630.94 : x
  2. Step 2: Convert to fraction form
    18,114.66/27,163.76 = 5,630.94/x
  3. Step 3: Cross multiply
    18,114.66x = 27,163.76 × 5,630.94
  4. Step 4: Simplify right side
    18,114.66x = 152,957,474.58
  5. Step 5: Solve for x
    x = 152,957,474.58/18,114.66
  6. Step 6: Final answer
    x = 8,443.85

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1.5x scale

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.