Home / 12,414.79-18,624.49-4,095.38

Finding the Fourth Proportional to 12,414.79, 18,624.49 and 4,095.38

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Solution

The fourth proportional to 12,414.79, 18,624.49 and 4,095.38 is: 6,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.79 : 18,624.49 = 4,095.38 : x
  2. Step 2: Convert to fraction form
    12,414.79/18,624.49 = 4,095.38/x
  3. Step 3: Cross multiply
    12,414.79x = 18,624.49 × 4,095.38
  4. Step 4: Simplify right side
    12,414.79x = 76,274,392.50
  5. Step 5: Solve for x
    x = 76,274,392.50/12,414.79
  6. Step 6: Final answer
    x = 6,143.83

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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.