Home / 12,444.33-18,669.65-3,679.23

Finding the Fourth Proportional to 12,444.33, 18,669.65 and 3,679.23

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Solution

The fourth proportional to 12,444.33, 18,669.65 and 3,679.23 is: 5,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.33 : 18,669.65 = 3,679.23 : x
  2. Step 2: Convert to fraction form
    12,444.33/18,669.65 = 3,679.23/x
  3. Step 3: Cross multiply
    12,444.33x = 18,669.65 × 3,679.23
  4. Step 4: Simplify right side
    12,444.33x = 68,689,917.97
  5. Step 5: Solve for x
    x = 68,689,917.97/12,444.33
  6. Step 6: Final answer
    x = 5,519.78

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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.