Home / 13,441.60-20,162.44-4,081.68

Finding the Fourth Proportional to 13,441.60, 20,162.44 and 4,081.68

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Solution

The fourth proportional to 13,441.60, 20,162.44 and 4,081.68 is: 6,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.60 : 20,162.44 = 4,081.68 : x
  2. Step 2: Convert to fraction form
    13,441.60/20,162.44 = 4,081.68/x
  3. Step 3: Cross multiply
    13,441.60x = 20,162.44 × 4,081.68
  4. Step 4: Simplify right side
    13,441.60x = 82,296,628.10
  5. Step 5: Solve for x
    x = 82,296,628.10/13,441.60
  6. Step 6: Final answer
    x = 6,122.53

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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.