Home / 11,146.40-16,706.62-8,197.36

Finding the Fourth Proportional to 11,146.40, 16,706.62 and 8,197.36

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Solution

The fourth proportional to 11,146.40, 16,706.62 and 8,197.36 is: 12,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.40 : 16,706.62 = 8,197.36 : x
  2. Step 2: Convert to fraction form
    11,146.40/16,706.62 = 8,197.36/x
  3. Step 3: Cross multiply
    11,146.40x = 16,706.62 × 8,197.36
  4. Step 4: Simplify right side
    11,146.40x = 136,950,178.52
  5. Step 5: Solve for x
    x = 136,950,178.52/11,146.40
  6. Step 6: Final answer
    x = 12,286.49

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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.