Home / 13,584.97-20,408.60-9,591.54

Finding the Fourth Proportional to 13,584.97, 20,408.60 and 9,591.54

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Solution

The fourth proportional to 13,584.97, 20,408.60 and 9,591.54 is: 14,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.97 : 20,408.60 = 9,591.54 : x
  2. Step 2: Convert to fraction form
    13,584.97/20,408.60 = 9,591.54/x
  3. Step 3: Cross multiply
    13,584.97x = 20,408.60 × 9,591.54
  4. Step 4: Simplify right side
    13,584.97x = 195,749,903.24
  5. Step 5: Solve for x
    x = 195,749,903.24/13,584.97
  6. Step 6: Final answer
    x = 14,409.30

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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.