Home / 11,716.65-17,574.89-4,791.15

Finding the Fourth Proportional to 11,716.65, 17,574.89 and 4,791.15

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Solution

The fourth proportional to 11,716.65, 17,574.89 and 4,791.15 is: 7,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.65 : 17,574.89 = 4,791.15 : x
  2. Step 2: Convert to fraction form
    11,716.65/17,574.89 = 4,791.15/x
  3. Step 3: Cross multiply
    11,716.65x = 17,574.89 × 4,791.15
  4. Step 4: Simplify right side
    11,716.65x = 84,203,910.27
  5. Step 5: Solve for x
    x = 84,203,910.27/11,716.65
  6. Step 6: Final answer
    x = 7,186.69

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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.