Home / 12,167.42-16,789.48-6,863.54

Finding the Fourth Proportional to 12,167.42, 16,789.48 and 6,863.54

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Solution

The fourth proportional to 12,167.42, 16,789.48 and 6,863.54 is: 9,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.42 : 16,789.48 = 6,863.54 : x
  2. Step 2: Convert to fraction form
    12,167.42/16,789.48 = 6,863.54/x
  3. Step 3: Cross multiply
    12,167.42x = 16,789.48 × 6,863.54
  4. Step 4: Simplify right side
    12,167.42x = 115,235,166.45
  5. Step 5: Solve for x
    x = 115,235,166.45/12,167.42
  6. Step 6: Final answer
    x = 9,470.80

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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.