Home / 13,727.92-20,591.88-3,339.58

Finding the Fourth Proportional to 13,727.92, 20,591.88 and 3,339.58

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Solution

The fourth proportional to 13,727.92, 20,591.88 and 3,339.58 is: 5,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.92 : 20,591.88 = 3,339.58 : x
  2. Step 2: Convert to fraction form
    13,727.92/20,591.88 = 3,339.58/x
  3. Step 3: Cross multiply
    13,727.92x = 20,591.88 × 3,339.58
  4. Step 4: Simplify right side
    13,727.92x = 68,768,230.61
  5. Step 5: Solve for x
    x = 68,768,230.61/13,727.92
  6. Step 6: Final answer
    x = 5,009.37

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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.