Home / 14,268.82-21,408.28-6,370.60

Finding the Fourth Proportional to 14,268.82, 21,408.28 and 6,370.60

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Solution

The fourth proportional to 14,268.82, 21,408.28 and 6,370.60 is: 9,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.82 : 21,408.28 = 6,370.60 : x
  2. Step 2: Convert to fraction form
    14,268.82/21,408.28 = 6,370.60/x
  3. Step 3: Cross multiply
    14,268.82x = 21,408.28 × 6,370.60
  4. Step 4: Simplify right side
    14,268.82x = 136,383,588.57
  5. Step 5: Solve for x
    x = 136,383,588.57/14,268.82
  6. Step 6: Final answer
    x = 9,558.15

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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.