Home / 11,143.82-16,704.49-6,986.74

Finding the Fourth Proportional to 11,143.82, 16,704.49 and 6,986.74

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Solution

The fourth proportional to 11,143.82, 16,704.49 and 6,986.74 is: 10,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.82 : 16,704.49 = 6,986.74 : x
  2. Step 2: Convert to fraction form
    11,143.82/16,704.49 = 6,986.74/x
  3. Step 3: Cross multiply
    11,143.82x = 16,704.49 × 6,986.74
  4. Step 4: Simplify right side
    11,143.82x = 116,709,928.46
  5. Step 5: Solve for x
    x = 116,709,928.46/11,143.82
  6. Step 6: Final answer
    x = 10,473.06

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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.