Home / 12,608.21-18,914.81-3,723.70

Finding the Fourth Proportional to 12,608.21, 18,914.81 and 3,723.70

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Solution

The fourth proportional to 12,608.21, 18,914.81 and 3,723.70 is: 5,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.21 : 18,914.81 = 3,723.70 : x
  2. Step 2: Convert to fraction form
    12,608.21/18,914.81 = 3,723.70/x
  3. Step 3: Cross multiply
    12,608.21x = 18,914.81 × 3,723.70
  4. Step 4: Simplify right side
    12,608.21x = 70,433,012.69
  5. Step 5: Solve for x
    x = 70,433,012.69/12,608.21
  6. Step 6: Final answer
    x = 5,586.28

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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.