Home / 13,190.80-19,768.77-6,170.26

Finding the Fourth Proportional to 13,190.80, 19,768.77 and 6,170.26

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Solution

The fourth proportional to 13,190.80, 19,768.77 and 6,170.26 is: 9,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.80 : 19,768.77 = 6,170.26 : x
  2. Step 2: Convert to fraction form
    13,190.80/19,768.77 = 6,170.26/x
  3. Step 3: Cross multiply
    13,190.80x = 19,768.77 × 6,170.26
  4. Step 4: Simplify right side
    13,190.80x = 121,978,450.78
  5. Step 5: Solve for x
    x = 121,978,450.78/13,190.80
  6. Step 6: Final answer
    x = 9,247.24

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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.