Home / 18,449.12-27,668.01-5,297.96

Finding the Fourth Proportional to 18,449.12, 27,668.01 and 5,297.96

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Solution

The fourth proportional to 18,449.12, 27,668.01 and 5,297.96 is: 7,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.12 : 27,668.01 = 5,297.96 : x
  2. Step 2: Convert to fraction form
    18,449.12/27,668.01 = 5,297.96/x
  3. Step 3: Cross multiply
    18,449.12x = 27,668.01 × 5,297.96
  4. Step 4: Simplify right side
    18,449.12x = 146,584,010.26
  5. Step 5: Solve for x
    x = 146,584,010.26/18,449.12
  6. Step 6: Final answer
    x = 7,945.31

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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.