Home / 12,166.33-16,789.50-6,861.11

Finding the Fourth Proportional to 12,166.33, 16,789.50 and 6,861.11

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Solution

The fourth proportional to 12,166.33, 16,789.50 and 6,861.11 is: 9,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.33 : 16,789.50 = 6,861.11 : x
  2. Step 2: Convert to fraction form
    12,166.33/16,789.50 = 6,861.11/x
  3. Step 3: Cross multiply
    12,166.33x = 16,789.50 × 6,861.11
  4. Step 4: Simplify right side
    12,166.33x = 115,194,606.35
  5. Step 5: Solve for x
    x = 115,194,606.35/12,166.33
  6. Step 6: Final answer
    x = 9,468.31

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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.