Home / 17,839.06-26,764.80-7,979.38

Finding the Fourth Proportional to 17,839.06, 26,764.80 and 7,979.38

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Solution

The fourth proportional to 17,839.06, 26,764.80 and 7,979.38 is: 11,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,839.06 : 26,764.80 = 7,979.38 : x
  2. Step 2: Convert to fraction form
    17,839.06/26,764.80 = 7,979.38/x
  3. Step 3: Cross multiply
    17,839.06x = 26,764.80 × 7,979.38
  4. Step 4: Simplify right side
    17,839.06x = 213,566,509.82
  5. Step 5: Solve for x
    x = 213,566,509.82/17,839.06
  6. Step 6: Final answer
    x = 11,971.85

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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.