Home / 17,768.58-26,664.75-7,380.33

Finding the Fourth Proportional to 17,768.58, 26,664.75 and 7,380.33

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Solution

The fourth proportional to 17,768.58, 26,664.75 and 7,380.33 is: 11,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.58 : 26,664.75 = 7,380.33 : x
  2. Step 2: Convert to fraction form
    17,768.58/26,664.75 = 7,380.33/x
  3. Step 3: Cross multiply
    17,768.58x = 26,664.75 × 7,380.33
  4. Step 4: Simplify right side
    17,768.58x = 196,794,654.37
  5. Step 5: Solve for x
    x = 196,794,654.37/17,768.58
  6. Step 6: Final answer
    x = 11,075.43

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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.