Home / 11,128.86-16,701.39-8,963.73

Finding the Fourth Proportional to 11,128.86, 16,701.39 and 8,963.73

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Solution

The fourth proportional to 11,128.86, 16,701.39 and 8,963.73 is: 13,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.86 : 16,701.39 = 8,963.73 : x
  2. Step 2: Convert to fraction form
    11,128.86/16,701.39 = 8,963.73/x
  3. Step 3: Cross multiply
    11,128.86x = 16,701.39 × 8,963.73
  4. Step 4: Simplify right side
    11,128.86x = 149,706,750.58
  5. Step 5: Solve for x
    x = 149,706,750.58/11,128.86
  6. Step 6: Final answer
    x = 13,452.12

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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.