Home / 10,106.44-15,156.78-3,949

Finding the Fourth Proportional to 10,106.44, 15,156.78 and 3,949

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Solution

The fourth proportional to 10,106.44, 15,156.78 and 3,949 is: 5,922.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.44 : 15,156.78 = 3,949 : x
  2. Step 2: Convert to fraction form
    10,106.44/15,156.78 = 3,949/x
  3. Step 3: Cross multiply
    10,106.44x = 15,156.78 × 3,949
  4. Step 4: Simplify right side
    10,106.44x = 59,854,124.22
  5. Step 5: Solve for x
    x = 59,854,124.22/10,106.44
  6. Step 6: Final answer
    x = 5,922.37

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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.