Home / 11,463.90-17,170.43-8,811.86

Finding the Fourth Proportional to 11,463.90, 17,170.43 and 8,811.86

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Solution

The fourth proportional to 11,463.90, 17,170.43 and 8,811.86 is: 13,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.90 : 17,170.43 = 8,811.86 : x
  2. Step 2: Convert to fraction form
    11,463.90/17,170.43 = 8,811.86/x
  3. Step 3: Cross multiply
    11,463.90x = 17,170.43 × 8,811.86
  4. Step 4: Simplify right side
    11,463.90x = 151,303,295.39
  5. Step 5: Solve for x
    x = 151,303,295.39/11,463.90
  6. Step 6: Final answer
    x = 13,198.24

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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.