Home / 18,540.62-27,815.06-10,216.35

Finding the Fourth Proportional to 18,540.62, 27,815.06 and 10,216.35

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Solution

The fourth proportional to 18,540.62, 27,815.06 and 10,216.35 is: 15,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.62 : 27,815.06 = 10,216.35 : x
  2. Step 2: Convert to fraction form
    18,540.62/27,815.06 = 10,216.35/x
  3. Step 3: Cross multiply
    18,540.62x = 27,815.06 × 10,216.35
  4. Step 4: Simplify right side
    18,540.62x = 284,168,388.23
  5. Step 5: Solve for x
    x = 284,168,388.23/18,540.62
  6. Step 6: Final answer
    x = 15,326.80

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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.