Home / 13,949.36-20,924.04-5,174

Finding the Fourth Proportional to 13,949.36, 20,924.04 and 5,174

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Solution

The fourth proportional to 13,949.36, 20,924.04 and 5,174 is: 7,761

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.36 : 20,924.04 = 5,174 : x
  2. Step 2: Convert to fraction form
    13,949.36/20,924.04 = 5,174/x
  3. Step 3: Cross multiply
    13,949.36x = 20,924.04 × 5,174
  4. Step 4: Simplify right side
    13,949.36x = 108,260,982.96
  5. Step 5: Solve for x
    x = 108,260,982.96/13,949.36
  6. Step 6: Final answer
    x = 7,761

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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.