Home / 11,208.11-16,808.40-5,657.91

Finding the Fourth Proportional to 11,208.11, 16,808.40 and 5,657.91

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Solution

The fourth proportional to 11,208.11, 16,808.40 and 5,657.91 is: 8,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.11 : 16,808.40 = 5,657.91 : x
  2. Step 2: Convert to fraction form
    11,208.11/16,808.40 = 5,657.91/x
  3. Step 3: Cross multiply
    11,208.11x = 16,808.40 × 5,657.91
  4. Step 4: Simplify right side
    11,208.11x = 95,100,414.44
  5. Step 5: Solve for x
    x = 95,100,414.44/11,208.11
  6. Step 6: Final answer
    x = 8,484.97

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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.