Home / 12,522.22-18,790.62-4,731.64

Finding the Fourth Proportional to 12,522.22, 18,790.62 and 4,731.64

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Solution

The fourth proportional to 12,522.22, 18,790.62 and 4,731.64 is: 7,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.22 : 18,790.62 = 4,731.64 : x
  2. Step 2: Convert to fraction form
    12,522.22/18,790.62 = 4,731.64/x
  3. Step 3: Cross multiply
    12,522.22x = 18,790.62 × 4,731.64
  4. Step 4: Simplify right side
    12,522.22x = 88,910,449.22
  5. Step 5: Solve for x
    x = 88,910,449.22/12,522.22
  6. Step 6: Final answer
    x = 7,100.21

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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.