Home / 11,995.45-17,993.15-3,230.37

Finding the Fourth Proportional to 11,995.45, 17,993.15 and 3,230.37

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Solution

The fourth proportional to 11,995.45, 17,993.15 and 3,230.37 is: 4,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.45 : 17,993.15 = 3,230.37 : x
  2. Step 2: Convert to fraction form
    11,995.45/17,993.15 = 3,230.37/x
  3. Step 3: Cross multiply
    11,995.45x = 17,993.15 × 3,230.37
  4. Step 4: Simplify right side
    11,995.45x = 58,124,515.81
  5. Step 5: Solve for x
    x = 58,124,515.81/11,995.45
  6. Step 6: Final answer
    x = 4,845.55

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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.