Home / 20,274.56-27,979.08-11,662.04

Finding the Fourth Proportional to 20,274.56, 27,979.08 and 11,662.04

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Solution

The fourth proportional to 20,274.56, 27,979.08 and 11,662.04 is: 16,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.56 : 27,979.08 = 11,662.04 : x
  2. Step 2: Convert to fraction form
    20,274.56/27,979.08 = 11,662.04/x
  3. Step 3: Cross multiply
    20,274.56x = 27,979.08 × 11,662.04
  4. Step 4: Simplify right side
    20,274.56x = 326,293,150.12
  5. Step 5: Solve for x
    x = 326,293,150.12/20,274.56
  6. Step 6: Final answer
    x = 16,093.72

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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.