Home / 12,645.94-18,958.62-4,744.02

Finding the Fourth Proportional to 12,645.94, 18,958.62 and 4,744.02

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Solution

The fourth proportional to 12,645.94, 18,958.62 and 4,744.02 is: 7,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645.94 : 18,958.62 = 4,744.02 : x
  2. Step 2: Convert to fraction form
    12,645.94/18,958.62 = 4,744.02/x
  3. Step 3: Cross multiply
    12,645.94x = 18,958.62 × 4,744.02
  4. Step 4: Simplify right side
    12,645.94x = 89,940,072.45
  5. Step 5: Solve for x
    x = 89,940,072.45/12,645.94
  6. Step 6: Final answer
    x = 7,112.17

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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.