Home / 12,628.82-18,932.43-4,843.22

Finding the Fourth Proportional to 12,628.82, 18,932.43 and 4,843.22

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Solution

The fourth proportional to 12,628.82, 18,932.43 and 4,843.22 is: 7,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.82 : 18,932.43 = 4,843.22 : x
  2. Step 2: Convert to fraction form
    12,628.82/18,932.43 = 4,843.22/x
  3. Step 3: Cross multiply
    12,628.82x = 18,932.43 × 4,843.22
  4. Step 4: Simplify right side
    12,628.82x = 91,693,923.62
  5. Step 5: Solve for x
    x = 91,693,923.62/12,628.82
  6. Step 6: Final answer
    x = 7,260.69

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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.