Home / 18,388.08-27,562.62-7,849.47

Finding the Fourth Proportional to 18,388.08, 27,562.62 and 7,849.47

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Solution

The fourth proportional to 18,388.08, 27,562.62 and 7,849.47 is: 11,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.08 : 27,562.62 = 7,849.47 : x
  2. Step 2: Convert to fraction form
    18,388.08/27,562.62 = 7,849.47/x
  3. Step 3: Cross multiply
    18,388.08x = 27,562.62 × 7,849.47
  4. Step 4: Simplify right side
    18,388.08x = 216,351,958.81
  5. Step 5: Solve for x
    x = 216,351,958.81/18,388.08
  6. Step 6: Final answer
    x = 11,765.88

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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.