Home / 13,764.03-20,649.12-4,404.61

Finding the Fourth Proportional to 13,764.03, 20,649.12 and 4,404.61

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Solution

The fourth proportional to 13,764.03, 20,649.12 and 4,404.61 is: 6,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.03 : 20,649.12 = 4,404.61 : x
  2. Step 2: Convert to fraction form
    13,764.03/20,649.12 = 4,404.61/x
  3. Step 3: Cross multiply
    13,764.03x = 20,649.12 × 4,404.61
  4. Step 4: Simplify right side
    13,764.03x = 90,951,263.31
  5. Step 5: Solve for x
    x = 90,951,263.31/13,764.03
  6. Step 6: Final answer
    x = 6,607.90

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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.