Home / 11,108.09-16,661.43-3,711.92

Finding the Fourth Proportional to 11,108.09, 16,661.43 and 3,711.92

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Solution

The fourth proportional to 11,108.09, 16,661.43 and 3,711.92 is: 5,567.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.09 : 16,661.43 = 3,711.92 : x
  2. Step 2: Convert to fraction form
    11,108.09/16,661.43 = 3,711.92/x
  3. Step 3: Cross multiply
    11,108.09x = 16,661.43 × 3,711.92
  4. Step 4: Simplify right side
    11,108.09x = 61,845,811.94
  5. Step 5: Solve for x
    x = 61,845,811.94/11,108.09
  6. Step 6: Final answer
    x = 5,567.64

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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.