Home / 12,093.06-18,138.74-3,208.19

Finding the Fourth Proportional to 12,093.06, 18,138.74 and 3,208.19

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Solution

The fourth proportional to 12,093.06, 18,138.74 and 3,208.19 is: 4,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.06 : 18,138.74 = 3,208.19 : x
  2. Step 2: Convert to fraction form
    12,093.06/18,138.74 = 3,208.19/x
  3. Step 3: Cross multiply
    12,093.06x = 18,138.74 × 3,208.19
  4. Step 4: Simplify right side
    12,093.06x = 58,192,524.28
  5. Step 5: Solve for x
    x = 58,192,524.28/12,093.06
  6. Step 6: Final answer
    x = 4,812.06

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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.