Home / 13,650.77-20,469.57-4,765.88

Finding the Fourth Proportional to 13,650.77, 20,469.57 and 4,765.88

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Solution

The fourth proportional to 13,650.77, 20,469.57 and 4,765.88 is: 7,146.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.77 : 20,469.57 = 4,765.88 : x
  2. Step 2: Convert to fraction form
    13,650.77/20,469.57 = 4,765.88/x
  3. Step 3: Cross multiply
    13,650.77x = 20,469.57 × 4,765.88
  4. Step 4: Simplify right side
    13,650.77x = 97,555,514.27
  5. Step 5: Solve for x
    x = 97,555,514.27/13,650.77
  6. Step 6: Final answer
    x = 7,146.52

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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.