Home / 12,274.96-18,418.62-4,893.88

Finding the Fourth Proportional to 12,274.96, 18,418.62 and 4,893.88

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Solution

The fourth proportional to 12,274.96, 18,418.62 and 4,893.88 is: 7,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.96 : 18,418.62 = 4,893.88 : x
  2. Step 2: Convert to fraction form
    12,274.96/18,418.62 = 4,893.88/x
  3. Step 3: Cross multiply
    12,274.96x = 18,418.62 × 4,893.88
  4. Step 4: Simplify right side
    12,274.96x = 90,138,516.05
  5. Step 5: Solve for x
    x = 90,138,516.05/12,274.96
  6. Step 6: Final answer
    x = 7,343.28

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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.