Home / 13,502.75-20,257.37-4,268.75

Finding the Fourth Proportional to 13,502.75, 20,257.37 and 4,268.75

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Solution

The fourth proportional to 13,502.75, 20,257.37 and 4,268.75 is: 6,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.75 : 20,257.37 = 4,268.75 : x
  2. Step 2: Convert to fraction form
    13,502.75/20,257.37 = 4,268.75/x
  3. Step 3: Cross multiply
    13,502.75x = 20,257.37 × 4,268.75
  4. Step 4: Simplify right side
    13,502.75x = 86,473,626.84
  5. Step 5: Solve for x
    x = 86,473,626.84/13,502.75
  6. Step 6: Final answer
    x = 6,404.15

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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.