Home / 12,265.68-18,399.60-3,946.44

Finding the Fourth Proportional to 12,265.68, 18,399.60 and 3,946.44

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Solution

The fourth proportional to 12,265.68, 18,399.60 and 3,946.44 is: 5,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.68 : 18,399.60 = 3,946.44 : x
  2. Step 2: Convert to fraction form
    12,265.68/18,399.60 = 3,946.44/x
  3. Step 3: Cross multiply
    12,265.68x = 18,399.60 × 3,946.44
  4. Step 4: Simplify right side
    12,265.68x = 72,612,917.42
  5. Step 5: Solve for x
    x = 72,612,917.42/12,265.68
  6. Step 6: Final answer
    x = 5,920.01

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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.