Home / 11,619.85-17,429.62-2,854.84

Finding the Fourth Proportional to 11,619.85, 17,429.62 and 2,854.84

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Solution

The fourth proportional to 11,619.85, 17,429.62 and 2,854.84 is: 4,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.85 : 17,429.62 = 2,854.84 : x
  2. Step 2: Convert to fraction form
    11,619.85/17,429.62 = 2,854.84/x
  3. Step 3: Cross multiply
    11,619.85x = 17,429.62 × 2,854.84
  4. Step 4: Simplify right side
    11,619.85x = 49,758,710.65
  5. Step 5: Solve for x
    x = 49,758,710.65/11,619.85
  6. Step 6: Final answer
    x = 4,282.22

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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.