Home / 12,202.92-16,828.56-8,677.80

Finding the Fourth Proportional to 12,202.92, 16,828.56 and 8,677.80

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Solution

The fourth proportional to 12,202.92, 16,828.56 and 8,677.80 is: 11,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.92 : 16,828.56 = 8,677.80 : x
  2. Step 2: Convert to fraction form
    12,202.92/16,828.56 = 8,677.80/x
  3. Step 3: Cross multiply
    12,202.92x = 16,828.56 × 8,677.80
  4. Step 4: Simplify right side
    12,202.92x = 146,034,877.97
  5. Step 5: Solve for x
    x = 146,034,877.97/12,202.92
  6. Step 6: Final answer
    x = 11,967.21

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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.