Home / 12,214.26-16,854.75-7,181.73

Finding the Fourth Proportional to 12,214.26, 16,854.75 and 7,181.73

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Solution

The fourth proportional to 12,214.26, 16,854.75 and 7,181.73 is: 9,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.26 : 16,854.75 = 7,181.73 : x
  2. Step 2: Convert to fraction form
    12,214.26/16,854.75 = 7,181.73/x
  3. Step 3: Cross multiply
    12,214.26x = 16,854.75 × 7,181.73
  4. Step 4: Simplify right side
    12,214.26x = 121,046,263.72
  5. Step 5: Solve for x
    x = 121,046,263.72/12,214.26
  6. Step 6: Final answer
    x = 9,910.24

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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.