Home / 12,367.87-18,551.61-3,007.85

Finding the Fourth Proportional to 12,367.87, 18,551.61 and 3,007.85

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Solution

The fourth proportional to 12,367.87, 18,551.61 and 3,007.85 is: 4,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.87 : 18,551.61 = 3,007.85 : x
  2. Step 2: Convert to fraction form
    12,367.87/18,551.61 = 3,007.85/x
  3. Step 3: Cross multiply
    12,367.87x = 18,551.61 × 3,007.85
  4. Step 4: Simplify right side
    12,367.87x = 55,800,367.38
  5. Step 5: Solve for x
    x = 55,800,367.38/12,367.87
  6. Step 6: Final answer
    x = 4,511.72

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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.