Home / 11,519.84-17,278.94-4,122.92

Finding the Fourth Proportional to 11,519.84, 17,278.94 and 4,122.92

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Solution

The fourth proportional to 11,519.84, 17,278.94 and 4,122.92 is: 6,184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.84 : 17,278.94 = 4,122.92 : x
  2. Step 2: Convert to fraction form
    11,519.84/17,278.94 = 4,122.92/x
  3. Step 3: Cross multiply
    11,519.84x = 17,278.94 × 4,122.92
  4. Step 4: Simplify right side
    11,519.84x = 71,239,687.30
  5. Step 5: Solve for x
    x = 71,239,687.30/11,519.84
  6. Step 6: Final answer
    x = 6,184.09

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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.