Home / 11,885.24-17,827.14-3,119.96

Finding the Fourth Proportional to 11,885.24, 17,827.14 and 3,119.96

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Solution

The fourth proportional to 11,885.24, 17,827.14 and 3,119.96 is: 4,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.24 : 17,827.14 = 3,119.96 : x
  2. Step 2: Convert to fraction form
    11,885.24/17,827.14 = 3,119.96/x
  3. Step 3: Cross multiply
    11,885.24x = 17,827.14 × 3,119.96
  4. Step 4: Simplify right side
    11,885.24x = 55,619,963.71
  5. Step 5: Solve for x
    x = 55,619,963.71/11,885.24
  6. Step 6: Final answer
    x = 4,679.75

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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.