Home / 11,486.32-15,850.92-6,450.58

Finding the Fourth Proportional to 11,486.32, 15,850.92 and 6,450.58

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Solution

The fourth proportional to 11,486.32, 15,850.92 and 6,450.58 is: 8,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.32 : 15,850.92 = 6,450.58 : x
  2. Step 2: Convert to fraction form
    11,486.32/15,850.92 = 6,450.58/x
  3. Step 3: Cross multiply
    11,486.32x = 15,850.92 × 6,450.58
  4. Step 4: Simplify right side
    11,486.32x = 102,247,627.53
  5. Step 5: Solve for x
    x = 102,247,627.53/11,486.32
  6. Step 6: Final answer
    x = 8,901.69

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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.