Home / 17,813.37-26,720.03-7,144.54

Finding the Fourth Proportional to 17,813.37, 26,720.03 and 7,144.54

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Solution

The fourth proportional to 17,813.37, 26,720.03 and 7,144.54 is: 10,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.37 : 26,720.03 = 7,144.54 : x
  2. Step 2: Convert to fraction form
    17,813.37/26,720.03 = 7,144.54/x
  3. Step 3: Cross multiply
    17,813.37x = 26,720.03 × 7,144.54
  4. Step 4: Simplify right side
    17,813.37x = 190,902,323.14
  5. Step 5: Solve for x
    x = 190,902,323.14/17,813.37
  6. Step 6: Final answer
    x = 10,716.80

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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.