Home / 14,661.68-21,989.44-5,175.28

Finding the Fourth Proportional to 14,661.68, 21,989.44 and 5,175.28

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Solution

The fourth proportional to 14,661.68, 21,989.44 and 5,175.28 is: 7,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.68 : 21,989.44 = 5,175.28 : x
  2. Step 2: Convert to fraction form
    14,661.68/21,989.44 = 5,175.28/x
  3. Step 3: Cross multiply
    14,661.68x = 21,989.44 × 5,175.28
  4. Step 4: Simplify right side
    14,661.68x = 113,801,509.04
  5. Step 5: Solve for x
    x = 113,801,509.04/14,661.68
  6. Step 6: Final answer
    x = 7,761.83

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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.