Home / 19,956.96-27,540.77-11,004.78

Finding the Fourth Proportional to 19,956.96, 27,540.77 and 11,004.78

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Solution

The fourth proportional to 19,956.96, 27,540.77 and 11,004.78 is: 15,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.96 : 27,540.77 = 11,004.78 : x
  2. Step 2: Convert to fraction form
    19,956.96/27,540.77 = 11,004.78/x
  3. Step 3: Cross multiply
    19,956.96x = 27,540.77 × 11,004.78
  4. Step 4: Simplify right side
    19,956.96x = 303,080,114.88
  5. Step 5: Solve for x
    x = 303,080,114.88/19,956.96
  6. Step 6: Final answer
    x = 15,186.69

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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.