Home / 18,020.28-27,040.11-7,497.56

Finding the Fourth Proportional to 18,020.28, 27,040.11 and 7,497.56

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Solution

The fourth proportional to 18,020.28, 27,040.11 and 7,497.56 is: 11,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.28 : 27,040.11 = 7,497.56 : x
  2. Step 2: Convert to fraction form
    18,020.28/27,040.11 = 7,497.56/x
  3. Step 3: Cross multiply
    18,020.28x = 27,040.11 × 7,497.56
  4. Step 4: Simplify right side
    18,020.28x = 202,734,914.73
  5. Step 5: Solve for x
    x = 202,734,914.73/18,020.28
  6. Step 6: Final answer
    x = 11,250.38

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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.