Home / 12,796.38-19,189.71-6,218.37

Finding the Fourth Proportional to 12,796.38, 19,189.71 and 6,218.37

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Solution

The fourth proportional to 12,796.38, 19,189.71 and 6,218.37 is: 9,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.38 : 19,189.71 = 6,218.37 : x
  2. Step 2: Convert to fraction form
    12,796.38/19,189.71 = 6,218.37/x
  3. Step 3: Cross multiply
    12,796.38x = 19,189.71 × 6,218.37
  4. Step 4: Simplify right side
    12,796.38x = 119,328,716.97
  5. Step 5: Solve for x
    x = 119,328,716.97/12,796.38
  6. Step 6: Final answer
    x = 9,325.19

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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.