Home / 12,169.80-16,794.84-6,864.62

Finding the Fourth Proportional to 12,169.80, 16,794.84 and 6,864.62

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Solution

The fourth proportional to 12,169.80, 16,794.84 and 6,864.62 is: 9,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.80 : 16,794.84 = 6,864.62 : x
  2. Step 2: Convert to fraction form
    12,169.80/16,794.84 = 6,864.62/x
  3. Step 3: Cross multiply
    12,169.80x = 16,794.84 × 6,864.62
  4. Step 4: Simplify right side
    12,169.80x = 115,290,110.59
  5. Step 5: Solve for x
    x = 115,290,110.59/12,169.80
  6. Step 6: Final answer
    x = 9,473.46

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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.