Home / 12,268.68-16,930.66-6,679.68

Finding the Fourth Proportional to 12,268.68, 16,930.66 and 6,679.68

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Solution

The fourth proportional to 12,268.68, 16,930.66 and 6,679.68 is: 9,217.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.68 : 16,930.66 = 6,679.68 : x
  2. Step 2: Convert to fraction form
    12,268.68/16,930.66 = 6,679.68/x
  3. Step 3: Cross multiply
    12,268.68x = 16,930.66 × 6,679.68
  4. Step 4: Simplify right side
    12,268.68x = 113,091,390.99
  5. Step 5: Solve for x
    x = 113,091,390.99/12,268.68
  6. Step 6: Final answer
    x = 9,217.89

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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.