Home / 12,217.67-16,860.42-7,736.75

Finding the Fourth Proportional to 12,217.67, 16,860.42 and 7,736.75

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Solution

The fourth proportional to 12,217.67, 16,860.42 and 7,736.75 is: 10,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.67 : 16,860.42 = 7,736.75 : x
  2. Step 2: Convert to fraction form
    12,217.67/16,860.42 = 7,736.75/x
  3. Step 3: Cross multiply
    12,217.67x = 16,860.42 × 7,736.75
  4. Step 4: Simplify right side
    12,217.67x = 130,444,854.44
  5. Step 5: Solve for x
    x = 130,444,854.44/12,217.67
  6. Step 6: Final answer
    x = 10,676.74

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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.