Home / 18,030.78-27,049.26-5,550.56

Finding the Fourth Proportional to 18,030.78, 27,049.26 and 5,550.56

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Solution

The fourth proportional to 18,030.78, 27,049.26 and 5,550.56 is: 8,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.78 : 27,049.26 = 5,550.56 : x
  2. Step 2: Convert to fraction form
    18,030.78/27,049.26 = 5,550.56/x
  3. Step 3: Cross multiply
    18,030.78x = 27,049.26 × 5,550.56
  4. Step 4: Simplify right side
    18,030.78x = 150,138,405.34
  5. Step 5: Solve for x
    x = 150,138,405.34/18,030.78
  6. Step 6: Final answer
    x = 8,326.78

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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.