Home / 12,664.14-18,997.42-3,901.56

Finding the Fourth Proportional to 12,664.14, 18,997.42 and 3,901.56

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Solution

The fourth proportional to 12,664.14, 18,997.42 and 3,901.56 is: 5,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.14 : 18,997.42 = 3,901.56 : x
  2. Step 2: Convert to fraction form
    12,664.14/18,997.42 = 3,901.56/x
  3. Step 3: Cross multiply
    12,664.14x = 18,997.42 × 3,901.56
  4. Step 4: Simplify right side
    12,664.14x = 74,119,573.98
  5. Step 5: Solve for x
    x = 74,119,573.98/12,664.14
  6. Step 6: Final answer
    x = 5,852.71

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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.