Home / 18,322.56-27,485.19-6,635.88

Finding the Fourth Proportional to 18,322.56, 27,485.19 and 6,635.88

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Solution

The fourth proportional to 18,322.56, 27,485.19 and 6,635.88 is: 9,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.56 : 27,485.19 = 6,635.88 : x
  2. Step 2: Convert to fraction form
    18,322.56/27,485.19 = 6,635.88/x
  3. Step 3: Cross multiply
    18,322.56x = 27,485.19 × 6,635.88
  4. Step 4: Simplify right side
    18,322.56x = 182,388,422.62
  5. Step 5: Solve for x
    x = 182,388,422.62/18,322.56
  6. Step 6: Final answer
    x = 9,954.31

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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.