Home / 13,664.09-20,497.32-3,803.49

Finding the Fourth Proportional to 13,664.09, 20,497.32 and 3,803.49

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Solution

The fourth proportional to 13,664.09, 20,497.32 and 3,803.49 is: 5,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.09 : 20,497.32 = 3,803.49 : x
  2. Step 2: Convert to fraction form
    13,664.09/20,497.32 = 3,803.49/x
  3. Step 3: Cross multiply
    13,664.09x = 20,497.32 × 3,803.49
  4. Step 4: Simplify right side
    13,664.09x = 77,961,351.65
  5. Step 5: Solve for x
    x = 77,961,351.65/13,664.09
  6. Step 6: Final answer
    x = 5,705.56

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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.