Home / 13,727.37-20,591.06-5,408.27

Finding the Fourth Proportional to 13,727.37, 20,591.06 and 5,408.27

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Solution

The fourth proportional to 13,727.37, 20,591.06 and 5,408.27 is: 8,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.37 : 20,591.06 = 5,408.27 : x
  2. Step 2: Convert to fraction form
    13,727.37/20,591.06 = 5,408.27/x
  3. Step 3: Cross multiply
    13,727.37x = 20,591.06 × 5,408.27
  4. Step 4: Simplify right side
    13,727.37x = 111,361,989.71
  5. Step 5: Solve for x
    x = 111,361,989.71/13,727.37
  6. Step 6: Final answer
    x = 8,112.40

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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.