Home / 11,682.21-17,522.69-3,784.58

Finding the Fourth Proportional to 11,682.21, 17,522.69 and 3,784.58

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Solution

The fourth proportional to 11,682.21, 17,522.69 and 3,784.58 is: 5,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.21 : 17,522.69 = 3,784.58 : x
  2. Step 2: Convert to fraction form
    11,682.21/17,522.69 = 3,784.58/x
  3. Step 3: Cross multiply
    11,682.21x = 17,522.69 × 3,784.58
  4. Step 4: Simplify right side
    11,682.21x = 66,315,915.58
  5. Step 5: Solve for x
    x = 66,315,915.58/11,682.21
  6. Step 6: Final answer
    x = 5,676.66

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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.