Home / 11,115.54-16,657.92-5,561.82

Finding the Fourth Proportional to 11,115.54, 16,657.92 and 5,561.82

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Solution

The fourth proportional to 11,115.54, 16,657.92 and 5,561.82 is: 8,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.54 : 16,657.92 = 5,561.82 : x
  2. Step 2: Convert to fraction form
    11,115.54/16,657.92 = 5,561.82/x
  3. Step 3: Cross multiply
    11,115.54x = 16,657.92 × 5,561.82
  4. Step 4: Simplify right side
    11,115.54x = 92,648,352.61
  5. Step 5: Solve for x
    x = 92,648,352.61/11,115.54
  6. Step 6: Final answer
    x = 8,335.03

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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.