Home / 19,837.98-27,375.98-12,764.39

Finding the Fourth Proportional to 19,837.98, 27,375.98 and 12,764.39

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Solution

The fourth proportional to 19,837.98, 27,375.98 and 12,764.39 is: 17,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.98 : 27,375.98 = 12,764.39 : x
  2. Step 2: Convert to fraction form
    19,837.98/27,375.98 = 12,764.39/x
  3. Step 3: Cross multiply
    19,837.98x = 27,375.98 × 12,764.39
  4. Step 4: Simplify right side
    19,837.98x = 349,437,484.65
  5. Step 5: Solve for x
    x = 349,437,484.65/19,837.98
  6. Step 6: Final answer
    x = 17,614.57

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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.