Home / 11,204.78-16,813.71-4,189.62

Finding the Fourth Proportional to 11,204.78, 16,813.71 and 4,189.62

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Solution

The fourth proportional to 11,204.78, 16,813.71 and 4,189.62 is: 6,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.78 : 16,813.71 = 4,189.62 : x
  2. Step 2: Convert to fraction form
    11,204.78/16,813.71 = 4,189.62/x
  3. Step 3: Cross multiply
    11,204.78x = 16,813.71 × 4,189.62
  4. Step 4: Simplify right side
    11,204.78x = 70,443,055.69
  5. Step 5: Solve for x
    x = 70,443,055.69/11,204.78
  6. Step 6: Final answer
    x = 6,286.88

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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.