Home / 12,110.20-16,712.67-6,806.68

Finding the Fourth Proportional to 12,110.20, 16,712.67 and 6,806.68

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Solution

The fourth proportional to 12,110.20, 16,712.67 and 6,806.68 is: 9,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.20 : 16,712.67 = 6,806.68 : x
  2. Step 2: Convert to fraction form
    12,110.20/16,712.67 = 6,806.68/x
  3. Step 3: Cross multiply
    12,110.20x = 16,712.67 × 6,806.68
  4. Step 4: Simplify right side
    12,110.20x = 113,757,796.64
  5. Step 5: Solve for x
    x = 113,757,796.64/12,110.20
  6. Step 6: Final answer
    x = 9,393.55

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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.