Home / 19,824-27,357.12-11,867.37

Finding the Fourth Proportional to 19,824, 27,357.12 and 11,867.37

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Solution

The fourth proportional to 19,824, 27,357.12 and 11,867.37 is: 16,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824 : 27,357.12 = 11,867.37 : x
  2. Step 2: Convert to fraction form
    19,824/27,357.12 = 11,867.37/x
  3. Step 3: Cross multiply
    19,824x = 27,357.12 × 11,867.37
  4. Step 4: Simplify right side
    19,824x = 324,657,065.17
  5. Step 5: Solve for x
    x = 324,657,065.17/19,824
  6. Step 6: Final answer
    x = 16,376.97

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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.