Home / 19,954.89-27,538.97-11,002.36

Finding the Fourth Proportional to 19,954.89, 27,538.97 and 11,002.36

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Solution

The fourth proportional to 19,954.89, 27,538.97 and 11,002.36 is: 15,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.89 : 27,538.97 = 11,002.36 : x
  2. Step 2: Convert to fraction form
    19,954.89/27,538.97 = 11,002.36/x
  3. Step 3: Cross multiply
    19,954.89x = 27,538.97 × 11,002.36
  4. Step 4: Simplify right side
    19,954.89x = 302,993,661.97
  5. Step 5: Solve for x
    x = 302,993,661.97/19,954.89
  6. Step 6: Final answer
    x = 15,183.93

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1.5x scale

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.