Home / 12,767.09-19,194.37-11,804.81

Finding the Fourth Proportional to 12,767.09, 19,194.37 and 11,804.81

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Solution

The fourth proportional to 12,767.09, 19,194.37 and 11,804.81 is: 17,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.09 : 19,194.37 = 11,804.81 : x
  2. Step 2: Convert to fraction form
    12,767.09/19,194.37 = 11,804.81/x
  3. Step 3: Cross multiply
    12,767.09x = 19,194.37 × 11,804.81
  4. Step 4: Simplify right side
    12,767.09x = 226,585,765.44
  5. Step 5: Solve for x
    x = 226,585,765.44/12,767.09
  6. Step 6: Final answer
    x = 17,747.65

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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.