Home / 17,861.25-26,789.81-4,714.65

Finding the Fourth Proportional to 17,861.25, 26,789.81 and 4,714.65

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Solution

The fourth proportional to 17,861.25, 26,789.81 and 4,714.65 is: 7,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.25 : 26,789.81 = 4,714.65 : x
  2. Step 2: Convert to fraction form
    17,861.25/26,789.81 = 4,714.65/x
  3. Step 3: Cross multiply
    17,861.25x = 26,789.81 × 4,714.65
  4. Step 4: Simplify right side
    17,861.25x = 126,304,589.50
  5. Step 5: Solve for x
    x = 126,304,589.50/17,861.25
  6. Step 6: Final answer
    x = 7,071.43

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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.