Home / 12,626.95-18,942.55-3,859.82

Finding the Fourth Proportional to 12,626.95, 18,942.55 and 3,859.82

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Solution

The fourth proportional to 12,626.95, 18,942.55 and 3,859.82 is: 5,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.95 : 18,942.55 = 3,859.82 : x
  2. Step 2: Convert to fraction form
    12,626.95/18,942.55 = 3,859.82/x
  3. Step 3: Cross multiply
    12,626.95x = 18,942.55 × 3,859.82
  4. Step 4: Simplify right side
    12,626.95x = 73,114,738.63
  5. Step 5: Solve for x
    x = 73,114,738.63/12,626.95
  6. Step 6: Final answer
    x = 5,790.37

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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.