Home / 12,043.80-16,620.30-6,738.66

Finding the Fourth Proportional to 12,043.80, 16,620.30 and 6,738.66

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Solution

The fourth proportional to 12,043.80, 16,620.30 and 6,738.66 is: 9,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.80 : 16,620.30 = 6,738.66 : x
  2. Step 2: Convert to fraction form
    12,043.80/16,620.30 = 6,738.66/x
  3. Step 3: Cross multiply
    12,043.80x = 16,620.30 × 6,738.66
  4. Step 4: Simplify right side
    12,043.80x = 111,998,550.80
  5. Step 5: Solve for x
    x = 111,998,550.80/12,043.80
  6. Step 6: Final answer
    x = 9,299.27

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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.