Home / 12,230.94-18,345.33-4,439.82

Finding the Fourth Proportional to 12,230.94, 18,345.33 and 4,439.82

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Solution

The fourth proportional to 12,230.94, 18,345.33 and 4,439.82 is: 6,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.94 : 18,345.33 = 4,439.82 : x
  2. Step 2: Convert to fraction form
    12,230.94/18,345.33 = 4,439.82/x
  3. Step 3: Cross multiply
    12,230.94x = 18,345.33 × 4,439.82
  4. Step 4: Simplify right side
    12,230.94x = 81,449,963.04
  5. Step 5: Solve for x
    x = 81,449,963.04/12,230.94
  6. Step 6: Final answer
    x = 6,659.34

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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.