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Finding the Fourth Proportional to 18,110.13, 27,173 and 9,796

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Solution

The fourth proportional to 18,110.13, 27,173 and 9,796 is: 14,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.13 : 27,173 = 9,796 : x
  2. Step 2: Convert to fraction form
    18,110.13/27,173 = 9,796/x
  3. Step 3: Cross multiply
    18,110.13x = 27,173 × 9,796
  4. Step 4: Simplify right side
    18,110.13x = 266,186,708
  5. Step 5: Solve for x
    x = 266,186,708/18,110.13
  6. Step 6: Final answer
    x = 14,698.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.