Home / 18,146.02-27,222.22-8,286.30

Finding the Fourth Proportional to 18,146.02, 27,222.22 and 8,286.30

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Solution

The fourth proportional to 18,146.02, 27,222.22 and 8,286.30 is: 12,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.02 : 27,222.22 = 8,286.30 : x
  2. Step 2: Convert to fraction form
    18,146.02/27,222.22 = 8,286.30/x
  3. Step 3: Cross multiply
    18,146.02x = 27,222.22 × 8,286.30
  4. Step 4: Simplify right side
    18,146.02x = 225,571,481.59
  5. Step 5: Solve for x
    x = 225,571,481.59/18,146.02
  6. Step 6: Final answer
    x = 12,430.91

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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.