Home / 11,576.87-17,365.28-2,811.79

Finding the Fourth Proportional to 11,576.87, 17,365.28 and 2,811.79

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Solution

The fourth proportional to 11,576.87, 17,365.28 and 2,811.79 is: 4,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.87 : 17,365.28 = 2,811.79 : x
  2. Step 2: Convert to fraction form
    11,576.87/17,365.28 = 2,811.79/x
  3. Step 3: Cross multiply
    11,576.87x = 17,365.28 × 2,811.79
  4. Step 4: Simplify right side
    11,576.87x = 48,827,520.65
  5. Step 5: Solve for x
    x = 48,827,520.65/11,576.87
  6. Step 6: Final answer
    x = 4,217.68

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1.5x scale

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.