Home / 12,723.52-19,085.31-3,489.52

Finding the Fourth Proportional to 12,723.52, 19,085.31 and 3,489.52

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Solution

The fourth proportional to 12,723.52, 19,085.31 and 3,489.52 is: 5,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.52 : 19,085.31 = 3,489.52 : x
  2. Step 2: Convert to fraction form
    12,723.52/19,085.31 = 3,489.52/x
  3. Step 3: Cross multiply
    12,723.52x = 19,085.31 × 3,489.52
  4. Step 4: Simplify right side
    12,723.52x = 66,598,570.95
  5. Step 5: Solve for x
    x = 66,598,570.95/12,723.52
  6. Step 6: Final answer
    x = 5,234.29

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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.