Home / 11,210.44-16,815.66-4,286.56

Finding the Fourth Proportional to 11,210.44, 16,815.66 and 4,286.56

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Solution

The fourth proportional to 11,210.44, 16,815.66 and 4,286.56 is: 6,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.44 : 16,815.66 = 4,286.56 : x
  2. Step 2: Convert to fraction form
    11,210.44/16,815.66 = 4,286.56/x
  3. Step 3: Cross multiply
    11,210.44x = 16,815.66 × 4,286.56
  4. Step 4: Simplify right side
    11,210.44x = 72,081,335.53
  5. Step 5: Solve for x
    x = 72,081,335.53/11,210.44
  6. Step 6: Final answer
    x = 6,429.84

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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.