Home / 12,425.12-18,627.87-6,181.73

Finding the Fourth Proportional to 12,425.12, 18,627.87 and 6,181.73

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Solution

The fourth proportional to 12,425.12, 18,627.87 and 6,181.73 is: 9,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.12 : 18,627.87 = 6,181.73 : x
  2. Step 2: Convert to fraction form
    12,425.12/18,627.87 = 6,181.73/x
  3. Step 3: Cross multiply
    12,425.12x = 18,627.87 × 6,181.73
  4. Step 4: Simplify right side
    12,425.12x = 115,152,369.68
  5. Step 5: Solve for x
    x = 115,152,369.68/12,425.12
  6. Step 6: Final answer
    x = 9,267.71

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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.