Home / 12,070.22-18,105.32-3,305.82

Finding the Fourth Proportional to 12,070.22, 18,105.32 and 3,305.82

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Solution

The fourth proportional to 12,070.22, 18,105.32 and 3,305.82 is: 4,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.22 : 18,105.32 = 3,305.82 : x
  2. Step 2: Convert to fraction form
    12,070.22/18,105.32 = 3,305.82/x
  3. Step 3: Cross multiply
    12,070.22x = 18,105.32 × 3,305.82
  4. Step 4: Simplify right side
    12,070.22x = 59,852,928.96
  5. Step 5: Solve for x
    x = 59,852,928.96/12,070.22
  6. Step 6: Final answer
    x = 4,958.73

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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.