Home / 12,169.30-16,794.15-6,864.12

Finding the Fourth Proportional to 12,169.30, 16,794.15 and 6,864.12

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Solution

The fourth proportional to 12,169.30, 16,794.15 and 6,864.12 is: 9,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.30 : 16,794.15 = 6,864.12 : x
  2. Step 2: Convert to fraction form
    12,169.30/16,794.15 = 6,864.12/x
  3. Step 3: Cross multiply
    12,169.30x = 16,794.15 × 6,864.12
  4. Step 4: Simplify right side
    12,169.30x = 115,276,997.58
  5. Step 5: Solve for x
    x = 115,276,997.58/12,169.30
  6. Step 6: Final answer
    x = 9,472.77

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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.