Home / 11,708.22-17,558.67-3,915.21

Finding the Fourth Proportional to 11,708.22, 17,558.67 and 3,915.21

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Solution

The fourth proportional to 11,708.22, 17,558.67 and 3,915.21 is: 5,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.22 : 17,558.67 = 3,915.21 : x
  2. Step 2: Convert to fraction form
    11,708.22/17,558.67 = 3,915.21/x
  3. Step 3: Cross multiply
    11,708.22x = 17,558.67 × 3,915.21
  4. Step 4: Simplify right side
    11,708.22x = 68,745,880.37
  5. Step 5: Solve for x
    x = 68,745,880.37/11,708.22
  6. Step 6: Final answer
    x = 5,871.59

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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.