Home / 11,226.78-16,829.16-9,564.66

Finding the Fourth Proportional to 11,226.78, 16,829.16 and 9,564.66

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Solution

The fourth proportional to 11,226.78, 16,829.16 and 9,564.66 is: 14,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.78 : 16,829.16 = 9,564.66 : x
  2. Step 2: Convert to fraction form
    11,226.78/16,829.16 = 9,564.66/x
  3. Step 3: Cross multiply
    11,226.78x = 16,829.16 × 9,564.66
  4. Step 4: Simplify right side
    11,226.78x = 160,965,193.49
  5. Step 5: Solve for x
    x = 160,965,193.49/11,226.78
  6. Step 6: Final answer
    x = 14,337.61

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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.