Home / 11,716.32-16,179.30-7,531.86

Finding the Fourth Proportional to 11,716.32, 16,179.30 and 7,531.86

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Solution

The fourth proportional to 11,716.32, 16,179.30 and 7,531.86 is: 10,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.32 : 16,179.30 = 7,531.86 : x
  2. Step 2: Convert to fraction form
    11,716.32/16,179.30 = 7,531.86/x
  3. Step 3: Cross multiply
    11,716.32x = 16,179.30 × 7,531.86
  4. Step 4: Simplify right side
    11,716.32x = 121,860,222.50
  5. Step 5: Solve for x
    x = 121,860,222.50/11,716.32
  6. Step 6: Final answer
    x = 10,400.90

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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.