Home / 18,003.42-27,034.29-11,121.66

Finding the Fourth Proportional to 18,003.42, 27,034.29 and 11,121.66

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Solution

The fourth proportional to 18,003.42, 27,034.29 and 11,121.66 is: 16,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.42 : 27,034.29 = 11,121.66 : x
  2. Step 2: Convert to fraction form
    18,003.42/27,034.29 = 11,121.66/x
  3. Step 3: Cross multiply
    18,003.42x = 27,034.29 × 11,121.66
  4. Step 4: Simplify right side
    18,003.42x = 300,666,181.72
  5. Step 5: Solve for x
    x = 300,666,181.72/18,003.42
  6. Step 6: Final answer
    x = 16,700.50

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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.