Home / 18,459.62-27,696.31-11,069.38

Finding the Fourth Proportional to 18,459.62, 27,696.31 and 11,069.38

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Solution

The fourth proportional to 18,459.62, 27,696.31 and 11,069.38 is: 16,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.62 : 27,696.31 = 11,069.38 : x
  2. Step 2: Convert to fraction form
    18,459.62/27,696.31 = 11,069.38/x
  3. Step 3: Cross multiply
    18,459.62x = 27,696.31 × 11,069.38
  4. Step 4: Simplify right side
    18,459.62x = 306,580,979.99
  5. Step 5: Solve for x
    x = 306,580,979.99/18,459.62
  6. Step 6: Final answer
    x = 16,608.20

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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.