Home / 12,424.44-18,637.26-3,659.44

Finding the Fourth Proportional to 12,424.44, 18,637.26 and 3,659.44

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Solution

The fourth proportional to 12,424.44, 18,637.26 and 3,659.44 is: 5,489.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.44 : 18,637.26 = 3,659.44 : x
  2. Step 2: Convert to fraction form
    12,424.44/18,637.26 = 3,659.44/x
  3. Step 3: Cross multiply
    12,424.44x = 18,637.26 × 3,659.44
  4. Step 4: Simplify right side
    12,424.44x = 68,201,934.73
  5. Step 5: Solve for x
    x = 68,201,934.73/12,424.44
  6. Step 6: Final answer
    x = 5,489.34

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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.