Home / 13,137.66-19,704.33-3,901.50

Finding the Fourth Proportional to 13,137.66, 19,704.33 and 3,901.50

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Solution

The fourth proportional to 13,137.66, 19,704.33 and 3,901.50 is: 5,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.66 : 19,704.33 = 3,901.50 : x
  2. Step 2: Convert to fraction form
    13,137.66/19,704.33 = 3,901.50/x
  3. Step 3: Cross multiply
    13,137.66x = 19,704.33 × 3,901.50
  4. Step 4: Simplify right side
    13,137.66x = 76,876,443.50
  5. Step 5: Solve for x
    x = 76,876,443.50/13,137.66
  6. Step 6: Final answer
    x = 5,851.61

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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.