Home / 13,257.09-19,883.48-3,896.05

Finding the Fourth Proportional to 13,257.09, 19,883.48 and 3,896.05

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Solution

The fourth proportional to 13,257.09, 19,883.48 and 3,896.05 is: 5,843.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.09 : 19,883.48 = 3,896.05 : x
  2. Step 2: Convert to fraction form
    13,257.09/19,883.48 = 3,896.05/x
  3. Step 3: Cross multiply
    13,257.09x = 19,883.48 × 3,896.05
  4. Step 4: Simplify right side
    13,257.09x = 77,467,000.35
  5. Step 5: Solve for x
    x = 77,467,000.35/13,257.09
  6. Step 6: Final answer
    x = 5,843.44

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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.