Home / 12,306.11-16,996.59-8,963.87

Finding the Fourth Proportional to 12,306.11, 16,996.59 and 8,963.87

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Solution

The fourth proportional to 12,306.11, 16,996.59 and 8,963.87 is: 12,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.11 : 16,996.59 = 8,963.87 : x
  2. Step 2: Convert to fraction form
    12,306.11/16,996.59 = 8,963.87/x
  3. Step 3: Cross multiply
    12,306.11x = 16,996.59 × 8,963.87
  4. Step 4: Simplify right side
    12,306.11x = 152,355,138.22
  5. Step 5: Solve for x
    x = 152,355,138.22/12,306.11
  6. Step 6: Final answer
    x = 12,380.45

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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.