Home / 19,840.68-27,367.62-11,877.48

Finding the Fourth Proportional to 19,840.68, 27,367.62 and 11,877.48

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Solution

The fourth proportional to 19,840.68, 27,367.62 and 11,877.48 is: 16,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.68 : 27,367.62 = 11,877.48 : x
  2. Step 2: Convert to fraction form
    19,840.68/27,367.62 = 11,877.48/x
  3. Step 3: Cross multiply
    19,840.68x = 27,367.62 × 11,877.48
  4. Step 4: Simplify right side
    19,840.68x = 325,058,359.20
  5. Step 5: Solve for x
    x = 325,058,359.20/19,840.68
  6. Step 6: Final answer
    x = 16,383.43

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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.