Home / 12,650.24-18,976.28-4,859.04

Finding the Fourth Proportional to 12,650.24, 18,976.28 and 4,859.04

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Solution

The fourth proportional to 12,650.24, 18,976.28 and 4,859.04 is: 7,288.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.24 : 18,976.28 = 4,859.04 : x
  2. Step 2: Convert to fraction form
    12,650.24/18,976.28 = 4,859.04/x
  3. Step 3: Cross multiply
    12,650.24x = 18,976.28 × 4,859.04
  4. Step 4: Simplify right side
    12,650.24x = 92,206,503.57
  5. Step 5: Solve for x
    x = 92,206,503.57/12,650.24
  6. Step 6: Final answer
    x = 7,288.91

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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.