Home / 10,500.11-15,751.71-3,836.94

Finding the Fourth Proportional to 10,500.11, 15,751.71 and 3,836.94

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Solution

The fourth proportional to 10,500.11, 15,751.71 and 3,836.94 is: 5,755.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.11 : 15,751.71 = 3,836.94 : x
  2. Step 2: Convert to fraction form
    10,500.11/15,751.71 = 3,836.94/x
  3. Step 3: Cross multiply
    10,500.11x = 15,751.71 × 3,836.94
  4. Step 4: Simplify right side
    10,500.11x = 60,438,346.98
  5. Step 5: Solve for x
    x = 60,438,346.98/10,500.11
  6. Step 6: Final answer
    x = 5,755.97

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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.