Home / 13,480.75-20,224.37-4,246.75

Finding the Fourth Proportional to 13,480.75, 20,224.37 and 4,246.75

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Solution

The fourth proportional to 13,480.75, 20,224.37 and 4,246.75 is: 6,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.75 : 20,224.37 = 4,246.75 : x
  2. Step 2: Convert to fraction form
    13,480.75/20,224.37 = 4,246.75/x
  3. Step 3: Cross multiply
    13,480.75x = 20,224.37 × 4,246.75
  4. Step 4: Simplify right side
    13,480.75x = 85,887,843.30
  5. Step 5: Solve for x
    x = 85,887,843.30/13,480.75
  6. Step 6: Final answer
    x = 6,371.15

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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.