Home / 11,176.21-16,764.45-3,385.36

Finding the Fourth Proportional to 11,176.21, 16,764.45 and 3,385.36

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Solution

The fourth proportional to 11,176.21, 16,764.45 and 3,385.36 is: 5,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.21 : 16,764.45 = 3,385.36 : x
  2. Step 2: Convert to fraction form
    11,176.21/16,764.45 = 3,385.36/x
  3. Step 3: Cross multiply
    11,176.21x = 16,764.45 × 3,385.36
  4. Step 4: Simplify right side
    11,176.21x = 56,753,698.45
  5. Step 5: Solve for x
    x = 56,753,698.45/11,176.21
  6. Step 6: Final answer
    x = 5,078.08

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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.