Home / 12,166.40-16,789.62-6,577.40

Finding the Fourth Proportional to 12,166.40, 16,789.62 and 6,577.40

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Solution

The fourth proportional to 12,166.40, 16,789.62 and 6,577.40 is: 9,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.40 : 16,789.62 = 6,577.40 : x
  2. Step 2: Convert to fraction form
    12,166.40/16,789.62 = 6,577.40/x
  3. Step 3: Cross multiply
    12,166.40x = 16,789.62 × 6,577.40
  4. Step 4: Simplify right side
    12,166.40x = 110,432,046.59
  5. Step 5: Solve for x
    x = 110,432,046.59/12,166.40
  6. Step 6: Final answer
    x = 9,076.81

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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.