Home / 11,776.33-17,664.53-2,891.70

Finding the Fourth Proportional to 11,776.33, 17,664.53 and 2,891.70

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Solution

The fourth proportional to 11,776.33, 17,664.53 and 2,891.70 is: 4,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.33 : 17,664.53 = 2,891.70 : x
  2. Step 2: Convert to fraction form
    11,776.33/17,664.53 = 2,891.70/x
  3. Step 3: Cross multiply
    11,776.33x = 17,664.53 × 2,891.70
  4. Step 4: Simplify right side
    11,776.33x = 51,080,433.08
  5. Step 5: Solve for x
    x = 51,080,433.08/11,776.33
  6. Step 6: Final answer
    x = 4,337.55

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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.