Home / 19,972.07-27,561.62-11,020.18

Finding the Fourth Proportional to 19,972.07, 27,561.62 and 11,020.18

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Solution

The fourth proportional to 19,972.07, 27,561.62 and 11,020.18 is: 15,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.07 : 27,561.62 = 11,020.18 : x
  2. Step 2: Convert to fraction form
    19,972.07/27,561.62 = 11,020.18/x
  3. Step 3: Cross multiply
    19,972.07x = 27,561.62 × 11,020.18
  4. Step 4: Simplify right side
    19,972.07x = 303,734,013.49
  5. Step 5: Solve for x
    x = 303,734,013.49/19,972.07
  6. Step 6: Final answer
    x = 15,207.94

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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.