Home / 11,679.84-17,519.94-3,888.66

Finding the Fourth Proportional to 11,679.84, 17,519.94 and 3,888.66

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Solution

The fourth proportional to 11,679.84, 17,519.94 and 3,888.66 is: 5,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.84 : 17,519.94 = 3,888.66 : x
  2. Step 2: Convert to fraction form
    11,679.84/17,519.94 = 3,888.66/x
  3. Step 3: Cross multiply
    11,679.84x = 17,519.94 × 3,888.66
  4. Step 4: Simplify right side
    11,679.84x = 68,129,089.88
  5. Step 5: Solve for x
    x = 68,129,089.88/11,679.84
  6. Step 6: Final answer
    x = 5,833.05

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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.