Home / 12,110.73-16,712.65-6,806.44

Finding the Fourth Proportional to 12,110.73, 16,712.65 and 6,806.44

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Solution

The fourth proportional to 12,110.73, 16,712.65 and 6,806.44 is: 9,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.73 : 16,712.65 = 6,806.44 : x
  2. Step 2: Convert to fraction form
    12,110.73/16,712.65 = 6,806.44/x
  3. Step 3: Cross multiply
    12,110.73x = 16,712.65 × 6,806.44
  4. Step 4: Simplify right side
    12,110.73x = 113,753,649.47
  5. Step 5: Solve for x
    x = 113,753,649.47/12,110.73
  6. Step 6: Final answer
    x = 9,392.80

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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.