Home / 12,441.71-18,664.58-3,677.51

Finding the Fourth Proportional to 12,441.71, 18,664.58 and 3,677.51

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Solution

The fourth proportional to 12,441.71, 18,664.58 and 3,677.51 is: 5,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.71 : 18,664.58 = 3,677.51 : x
  2. Step 2: Convert to fraction form
    12,441.71/18,664.58 = 3,677.51/x
  3. Step 3: Cross multiply
    12,441.71x = 18,664.58 × 3,677.51
  4. Step 4: Simplify right side
    12,441.71x = 68,639,067.89
  5. Step 5: Solve for x
    x = 68,639,067.89/12,441.71
  6. Step 6: Final answer
    x = 5,516.85

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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.