Home / 19,804.40-27,327.48-11,843.72

Finding the Fourth Proportional to 19,804.40, 27,327.48 and 11,843.72

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Solution

The fourth proportional to 19,804.40, 27,327.48 and 11,843.72 is: 16,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,804.40 : 27,327.48 = 11,843.72 : x
  2. Step 2: Convert to fraction form
    19,804.40/27,327.48 = 11,843.72/x
  3. Step 3: Cross multiply
    19,804.40x = 27,327.48 × 11,843.72
  4. Step 4: Simplify right side
    19,804.40x = 323,659,021.43
  5. Step 5: Solve for x
    x = 323,659,021.43/19,804.40
  6. Step 6: Final answer
    x = 16,342.78

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1.5x scale

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.