Home / 17,256-23,803.56-11,286.30

Finding the Fourth Proportional to 17,256, 23,803.56 and 11,286.30

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Solution

The fourth proportional to 17,256, 23,803.56 and 11,286.30 is: 15,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,256 : 23,803.56 = 11,286.30 : x
  2. Step 2: Convert to fraction form
    17,256/23,803.56 = 11,286.30/x
  3. Step 3: Cross multiply
    17,256x = 23,803.56 × 11,286.30
  4. Step 4: Simplify right side
    17,256x = 268,654,119.23
  5. Step 5: Solve for x
    x = 268,654,119.23/17,256
  6. Step 6: Final answer
    x = 15,568.74

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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.