Home / 19,956.90-27,540.18-11,005.26

Finding the Fourth Proportional to 19,956.90, 27,540.18 and 11,005.26

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Solution

The fourth proportional to 19,956.90, 27,540.18 and 11,005.26 is: 15,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.90 : 27,540.18 = 11,005.26 : x
  2. Step 2: Convert to fraction form
    19,956.90/27,540.18 = 11,005.26/x
  3. Step 3: Cross multiply
    19,956.90x = 27,540.18 × 11,005.26
  4. Step 4: Simplify right side
    19,956.90x = 303,086,841.35
  5. Step 5: Solve for x
    x = 303,086,841.35/19,956.90
  6. Step 6: Final answer
    x = 15,187.07

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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.