Home / 22,782.22-34,173.55-7,991.49

Finding the Fourth Proportional to 22,782.22, 34,173.55 and 7,991.49

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Solution

The fourth proportional to 22,782.22, 34,173.55 and 7,991.49 is: 11,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,782.22 : 34,173.55 = 7,991.49 : x
  2. Step 2: Convert to fraction form
    22,782.22/34,173.55 = 7,991.49/x
  3. Step 3: Cross multiply
    22,782.22x = 34,173.55 × 7,991.49
  4. Step 4: Simplify right side
    22,782.22x = 273,097,583.09
  5. Step 5: Solve for x
    x = 273,097,583.09/22,782.22
  6. Step 6: Final answer
    x = 11,987.31

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1.5x scale

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.