Home / 19,660.56-27,131.52-11,277

Finding the Fourth Proportional to 19,660.56, 27,131.52 and 11,277

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Solution

The fourth proportional to 19,660.56, 27,131.52 and 11,277 is: 15,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.56 : 27,131.52 = 11,277 : x
  2. Step 2: Convert to fraction form
    19,660.56/27,131.52 = 11,277/x
  3. Step 3: Cross multiply
    19,660.56x = 27,131.52 × 11,277
  4. Step 4: Simplify right side
    19,660.56x = 305,962,151.04
  5. Step 5: Solve for x
    x = 305,962,151.04/19,660.56
  6. Step 6: Final answer
    x = 15,562.23

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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.