Home / 11,277.74-16,912.44-3,880.16

Finding the Fourth Proportional to 11,277.74, 16,912.44 and 3,880.16

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Solution

The fourth proportional to 11,277.74, 16,912.44 and 3,880.16 is: 5,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.74 : 16,912.44 = 3,880.16 : x
  2. Step 2: Convert to fraction form
    11,277.74/16,912.44 = 3,880.16/x
  3. Step 3: Cross multiply
    11,277.74x = 16,912.44 × 3,880.16
  4. Step 4: Simplify right side
    11,277.74x = 65,622,973.19
  5. Step 5: Solve for x
    x = 65,622,973.19/11,277.74
  6. Step 6: Final answer
    x = 5,818.81

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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.