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Finding the Fourth Proportional to 17,186.23, 23,721.02 and 11,207.49

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Solution

The fourth proportional to 17,186.23, 23,721.02 and 11,207.49 is: 15,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,186.23 : 23,721.02 = 11,207.49 : x
  2. Step 2: Convert to fraction form
    17,186.23/23,721.02 = 11,207.49/x
  3. Step 3: Cross multiply
    17,186.23x = 23,721.02 × 11,207.49
  4. Step 4: Simplify right side
    17,186.23x = 265,853,094.44
  5. Step 5: Solve for x
    x = 265,853,094.44/17,186.23
  6. Step 6: Final answer
    x = 15,468.96

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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.