Home / 13,441.32-20,162.01-4,081.41

Finding the Fourth Proportional to 13,441.32, 20,162.01 and 4,081.41

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Solution

The fourth proportional to 13,441.32, 20,162.01 and 4,081.41 is: 6,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.32 : 20,162.01 = 4,081.41 : x
  2. Step 2: Convert to fraction form
    13,441.32/20,162.01 = 4,081.41/x
  3. Step 3: Cross multiply
    13,441.32x = 20,162.01 × 4,081.41
  4. Step 4: Simplify right side
    13,441.32x = 82,289,429.23
  5. Step 5: Solve for x
    x = 82,289,429.23/13,441.32
  6. Step 6: Final answer
    x = 6,122.12

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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.