Home / 19,956.54-27,540-11,004.06

Finding the Fourth Proportional to 19,956.54, 27,540 and 11,004.06

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Solution

The fourth proportional to 19,956.54, 27,540 and 11,004.06 is: 15,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.54 : 27,540 = 11,004.06 : x
  2. Step 2: Convert to fraction form
    19,956.54/27,540 = 11,004.06/x
  3. Step 3: Cross multiply
    19,956.54x = 27,540 × 11,004.06
  4. Step 4: Simplify right side
    19,956.54x = 303,051,812.40
  5. Step 5: Solve for x
    x = 303,051,812.40/19,956.54
  6. Step 6: Final answer
    x = 15,185.59

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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.