Home / 10,809.80-16,212.78-3,016.68

Finding the Fourth Proportional to 10,809.80, 16,212.78 and 3,016.68

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Solution

The fourth proportional to 10,809.80, 16,212.78 and 3,016.68 is: 4,524.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.80 : 16,212.78 = 3,016.68 : x
  2. Step 2: Convert to fraction form
    10,809.80/16,212.78 = 3,016.68/x
  3. Step 3: Cross multiply
    10,809.80x = 16,212.78 × 3,016.68
  4. Step 4: Simplify right side
    10,809.80x = 48,908,769.17
  5. Step 5: Solve for x
    x = 48,908,769.17/10,809.80
  6. Step 6: Final answer
    x = 4,524.48

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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.