Home / 12,286.10-16,955.41-6,910.22

Finding the Fourth Proportional to 12,286.10, 16,955.41 and 6,910.22

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Solution

The fourth proportional to 12,286.10, 16,955.41 and 6,910.22 is: 9,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286.10 : 16,955.41 = 6,910.22 : x
  2. Step 2: Convert to fraction form
    12,286.10/16,955.41 = 6,910.22/x
  3. Step 3: Cross multiply
    12,286.10x = 16,955.41 × 6,910.22
  4. Step 4: Simplify right side
    12,286.10x = 117,165,672.95
  5. Step 5: Solve for x
    x = 117,165,672.95/12,286.10
  6. Step 6: Final answer
    x = 9,536.44

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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.