Home / 11,013.38-16,516.82-3,220.34

Finding the Fourth Proportional to 11,013.38, 16,516.82 and 3,220.34

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Solution

The fourth proportional to 11,013.38, 16,516.82 and 3,220.34 is: 4,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.38 : 16,516.82 = 3,220.34 : x
  2. Step 2: Convert to fraction form
    11,013.38/16,516.82 = 3,220.34/x
  3. Step 3: Cross multiply
    11,013.38x = 16,516.82 × 3,220.34
  4. Step 4: Simplify right side
    11,013.38x = 53,189,701.59
  5. Step 5: Solve for x
    x = 53,189,701.59/11,013.38
  6. Step 6: Final answer
    x = 4,829.56

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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.