Home / 10,790.61-16,182-3,768.65

Finding the Fourth Proportional to 10,790.61, 16,182 and 3,768.65

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Solution

The fourth proportional to 10,790.61, 16,182 and 3,768.65 is: 5,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.61 : 16,182 = 3,768.65 : x
  2. Step 2: Convert to fraction form
    10,790.61/16,182 = 3,768.65/x
  3. Step 3: Cross multiply
    10,790.61x = 16,182 × 3,768.65
  4. Step 4: Simplify right side
    10,790.61x = 60,984,334.76
  5. Step 5: Solve for x
    x = 60,984,334.76/10,790.61
  6. Step 6: Final answer
    x = 5,651.61

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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.