Home / 12,216.24-18,327.34-3,896.26

Finding the Fourth Proportional to 12,216.24, 18,327.34 and 3,896.26

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Solution

The fourth proportional to 12,216.24, 18,327.34 and 3,896.26 is: 5,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.24 : 18,327.34 = 3,896.26 : x
  2. Step 2: Convert to fraction form
    12,216.24/18,327.34 = 3,896.26/x
  3. Step 3: Cross multiply
    12,216.24x = 18,327.34 × 3,896.26
  4. Step 4: Simplify right side
    12,216.24x = 71,408,040.80
  5. Step 5: Solve for x
    x = 71,408,040.80/12,216.24
  6. Step 6: Final answer
    x = 5,845.34

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1.5x scale

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.