Home / 11,909.77-16,425.96-8,137.19

Finding the Fourth Proportional to 11,909.77, 16,425.96 and 8,137.19

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Solution

The fourth proportional to 11,909.77, 16,425.96 and 8,137.19 is: 11,222.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.77 : 16,425.96 = 8,137.19 : x
  2. Step 2: Convert to fraction form
    11,909.77/16,425.96 = 8,137.19/x
  3. Step 3: Cross multiply
    11,909.77x = 16,425.96 × 8,137.19
  4. Step 4: Simplify right side
    11,909.77x = 133,661,157.45
  5. Step 5: Solve for x
    x = 133,661,157.45/11,909.77
  6. Step 6: Final answer
    x = 11,222.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.