Home / 12,267.39-16,908.78-8,677.71

Finding the Fourth Proportional to 12,267.39, 16,908.78 and 8,677.71

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Solution

The fourth proportional to 12,267.39, 16,908.78 and 8,677.71 is: 11,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.39 : 16,908.78 = 8,677.71 : x
  2. Step 2: Convert to fraction form
    12,267.39/16,908.78 = 8,677.71/x
  3. Step 3: Cross multiply
    12,267.39x = 16,908.78 × 8,677.71
  4. Step 4: Simplify right side
    12,267.39x = 146,729,489.29
  5. Step 5: Solve for x
    x = 146,729,489.29/12,267.39
  6. Step 6: Final answer
    x = 11,960.94

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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.