Home / 19,326.78-26,674.74-11,375.82

Finding the Fourth Proportional to 19,326.78, 26,674.74 and 11,375.82

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Solution

The fourth proportional to 19,326.78, 26,674.74 and 11,375.82 is: 15,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.78 : 26,674.74 = 11,375.82 : x
  2. Step 2: Convert to fraction form
    19,326.78/26,674.74 = 11,375.82/x
  3. Step 3: Cross multiply
    19,326.78x = 26,674.74 × 11,375.82
  4. Step 4: Simplify right side
    19,326.78x = 303,447,040.79
  5. Step 5: Solve for x
    x = 303,447,040.79/19,326.78
  6. Step 6: Final answer
    x = 15,700.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.