Home / 13,676.10-20,514.03-4,911.60

Finding the Fourth Proportional to 13,676.10, 20,514.03 and 4,911.60

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Solution

The fourth proportional to 13,676.10, 20,514.03 and 4,911.60 is: 7,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.10 : 20,514.03 = 4,911.60 : x
  2. Step 2: Convert to fraction form
    13,676.10/20,514.03 = 4,911.60/x
  3. Step 3: Cross multiply
    13,676.10x = 20,514.03 × 4,911.60
  4. Step 4: Simplify right side
    13,676.10x = 100,756,709.75
  5. Step 5: Solve for x
    x = 100,756,709.75/13,676.10
  6. Step 6: Final answer
    x = 7,367.36

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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.