Home / 10,739.70-16,106.45-3,719.43

Finding the Fourth Proportional to 10,739.70, 16,106.45 and 3,719.43

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Solution

The fourth proportional to 10,739.70, 16,106.45 and 3,719.43 is: 5,578.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.70 : 16,106.45 = 3,719.43 : x
  2. Step 2: Convert to fraction form
    10,739.70/16,106.45 = 3,719.43/x
  3. Step 3: Cross multiply
    10,739.70x = 16,106.45 × 3,719.43
  4. Step 4: Simplify right side
    10,739.70x = 59,906,794.73
  5. Step 5: Solve for x
    x = 59,906,794.73/10,739.70
  6. Step 6: Final answer
    x = 5,578.07

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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.