Home / 19,843.64-27,383.78-10,891.08

Finding the Fourth Proportional to 19,843.64, 27,383.78 and 10,891.08

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Solution

The fourth proportional to 19,843.64, 27,383.78 and 10,891.08 is: 15,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.64 : 27,383.78 = 10,891.08 : x
  2. Step 2: Convert to fraction form
    19,843.64/27,383.78 = 10,891.08/x
  3. Step 3: Cross multiply
    19,843.64x = 27,383.78 × 10,891.08
  4. Step 4: Simplify right side
    19,843.64x = 298,238,938.68
  5. Step 5: Solve for x
    x = 298,238,938.68/19,843.64
  6. Step 6: Final answer
    x = 15,029.45

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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.