Home / 12,610.26-18,915.33-3,845.15

Finding the Fourth Proportional to 12,610.26, 18,915.33 and 3,845.15

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Solution

The fourth proportional to 12,610.26, 18,915.33 and 3,845.15 is: 5,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.26 : 18,915.33 = 3,845.15 : x
  2. Step 2: Convert to fraction form
    12,610.26/18,915.33 = 3,845.15/x
  3. Step 3: Cross multiply
    12,610.26x = 18,915.33 × 3,845.15
  4. Step 4: Simplify right side
    12,610.26x = 72,732,186.57
  5. Step 5: Solve for x
    x = 72,732,186.57/12,610.26
  6. Step 6: Final answer
    x = 5,767.70

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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.