Home / 12,624.73-18,936.39-3,858.97

Finding the Fourth Proportional to 12,624.73, 18,936.39 and 3,858.97

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Solution

The fourth proportional to 12,624.73, 18,936.39 and 3,858.97 is: 5,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.73 : 18,936.39 = 3,858.97 : x
  2. Step 2: Convert to fraction form
    12,624.73/18,936.39 = 3,858.97/x
  3. Step 3: Cross multiply
    12,624.73x = 18,936.39 × 3,858.97
  4. Step 4: Simplify right side
    12,624.73x = 73,074,960.92
  5. Step 5: Solve for x
    x = 73,074,960.92/12,624.73
  6. Step 6: Final answer
    x = 5,788.24

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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.