Home / 19,956.72-27,540.45-11,004.54

Finding the Fourth Proportional to 19,956.72, 27,540.45 and 11,004.54

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Solution

The fourth proportional to 19,956.72, 27,540.45 and 11,004.54 is: 15,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.72 : 27,540.45 = 11,004.54 : x
  2. Step 2: Convert to fraction form
    19,956.72/27,540.45 = 11,004.54/x
  3. Step 3: Cross multiply
    19,956.72x = 27,540.45 × 11,004.54
  4. Step 4: Simplify right side
    19,956.72x = 303,069,983.64
  5. Step 5: Solve for x
    x = 303,069,983.64/19,956.72
  6. Step 6: Final answer
    x = 15,186.36

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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.