Home / 12,179.04-16,805.73-6,872.88

Finding the Fourth Proportional to 12,179.04, 16,805.73 and 6,872.88

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Solution

The fourth proportional to 12,179.04, 16,805.73 and 6,872.88 is: 9,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.04 : 16,805.73 = 6,872.88 : x
  2. Step 2: Convert to fraction form
    12,179.04/16,805.73 = 6,872.88/x
  3. Step 3: Cross multiply
    12,179.04x = 16,805.73 × 6,872.88
  4. Step 4: Simplify right side
    12,179.04x = 115,503,765.60
  5. Step 5: Solve for x
    x = 115,503,765.60/12,179.04
  6. Step 6: Final answer
    x = 9,483.82

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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.