Home / 18,040.96-27,033.52-12,505.12

Finding the Fourth Proportional to 18,040.96, 27,033.52 and 12,505.12

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Solution

The fourth proportional to 18,040.96, 27,033.52 and 12,505.12 is: 18,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.96 : 27,033.52 = 12,505.12 : x
  2. Step 2: Convert to fraction form
    18,040.96/27,033.52 = 12,505.12/x
  3. Step 3: Cross multiply
    18,040.96x = 27,033.52 × 12,505.12
  4. Step 4: Simplify right side
    18,040.96x = 338,057,411.62
  5. Step 5: Solve for x
    x = 338,057,411.62/18,040.96
  6. Step 6: Final answer
    x = 18,738.33

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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.