Home / 17,777.50-26,610.32-12,198.22

Finding the Fourth Proportional to 17,777.50, 26,610.32 and 12,198.22

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Solution

The fourth proportional to 17,777.50, 26,610.32 and 12,198.22 is: 18,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,777.50 : 26,610.32 = 12,198.22 : x
  2. Step 2: Convert to fraction form
    17,777.50/26,610.32 = 12,198.22/x
  3. Step 3: Cross multiply
    17,777.50x = 26,610.32 × 12,198.22
  4. Step 4: Simplify right side
    17,777.50x = 324,598,537.63
  5. Step 5: Solve for x
    x = 324,598,537.63/17,777.50
  6. Step 6: Final answer
    x = 18,258.95

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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.