Home / 19,419.44-26,789.82-11,859.80

Finding the Fourth Proportional to 19,419.44, 26,789.82 and 11,859.80

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Solution

The fourth proportional to 19,419.44, 26,789.82 and 11,859.80 is: 16,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.44 : 26,789.82 = 11,859.80 : x
  2. Step 2: Convert to fraction form
    19,419.44/26,789.82 = 11,859.80/x
  3. Step 3: Cross multiply
    19,419.44x = 26,789.82 × 11,859.80
  4. Step 4: Simplify right side
    19,419.44x = 317,721,907.24
  5. Step 5: Solve for x
    x = 317,721,907.24/19,419.44
  6. Step 6: Final answer
    x = 16,361.02

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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.