Home / 15,610.50-23,415.57-3,923.82

Finding the Fourth Proportional to 15,610.50, 23,415.57 and 3,923.82

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Solution

The fourth proportional to 15,610.50, 23,415.57 and 3,923.82 is: 5,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.50 : 23,415.57 = 3,923.82 : x
  2. Step 2: Convert to fraction form
    15,610.50/23,415.57 = 3,923.82/x
  3. Step 3: Cross multiply
    15,610.50x = 23,415.57 × 3,923.82
  4. Step 4: Simplify right side
    15,610.50x = 91,878,481.88
  5. Step 5: Solve for x
    x = 91,878,481.88/15,610.50
  6. Step 6: Final answer
    x = 5,885.68

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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.