Home / 8,689.41-11,996.91-6,696.27

Finding the Fourth Proportional to 8,689.41, 11,996.91 and 6,696.27

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Solution

The fourth proportional to 8,689.41, 11,996.91 and 6,696.27 is: 9,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.41 : 11,996.91 = 6,696.27 : x
  2. Step 2: Convert to fraction form
    8,689.41/11,996.91 = 6,696.27/x
  3. Step 3: Cross multiply
    8,689.41x = 11,996.91 × 6,696.27
  4. Step 4: Simplify right side
    8,689.41x = 80,334,548.53
  5. Step 5: Solve for x
    x = 80,334,548.53/8,689.41
  6. Step 6: Final answer
    x = 9,245.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.