Home / 12,251.86-18,383.87-4,856.16

Finding the Fourth Proportional to 12,251.86, 18,383.87 and 4,856.16

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Solution

The fourth proportional to 12,251.86, 18,383.87 and 4,856.16 is: 7,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.86 : 18,383.87 = 4,856.16 : x
  2. Step 2: Convert to fraction form
    12,251.86/18,383.87 = 4,856.16/x
  3. Step 3: Cross multiply
    12,251.86x = 18,383.87 × 4,856.16
  4. Step 4: Simplify right side
    12,251.86x = 89,274,897.94
  5. Step 5: Solve for x
    x = 89,274,897.94/12,251.86
  6. Step 6: Final answer
    x = 7,286.64

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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.