Home / 12,634.43-18,951.39-5,612.54

Finding the Fourth Proportional to 12,634.43, 18,951.39 and 5,612.54

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Solution

The fourth proportional to 12,634.43, 18,951.39 and 5,612.54 is: 8,418.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.43 : 18,951.39 = 5,612.54 : x
  2. Step 2: Convert to fraction form
    12,634.43/18,951.39 = 5,612.54/x
  3. Step 3: Cross multiply
    12,634.43x = 18,951.39 × 5,612.54
  4. Step 4: Simplify right side
    12,634.43x = 106,365,373.02
  5. Step 5: Solve for x
    x = 106,365,373.02/12,634.43
  6. Step 6: Final answer
    x = 8,418.69

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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.