Home / 12,197.49-18,281.24-6,936.89

Finding the Fourth Proportional to 12,197.49, 18,281.24 and 6,936.89

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Solution

The fourth proportional to 12,197.49, 18,281.24 and 6,936.89 is: 10,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.49 : 18,281.24 = 6,936.89 : x
  2. Step 2: Convert to fraction form
    12,197.49/18,281.24 = 6,936.89/x
  3. Step 3: Cross multiply
    12,197.49x = 18,281.24 × 6,936.89
  4. Step 4: Simplify right side
    12,197.49x = 126,814,992.72
  5. Step 5: Solve for x
    x = 126,814,992.72/12,197.49
  6. Step 6: Final answer
    x = 10,396.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.