Home / 13,523.22-20,296.35-7,968.42

Finding the Fourth Proportional to 13,523.22, 20,296.35 and 7,968.42

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Solution

The fourth proportional to 13,523.22, 20,296.35 and 7,968.42 is: 11,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.22 : 20,296.35 = 7,968.42 : x
  2. Step 2: Convert to fraction form
    13,523.22/20,296.35 = 7,968.42/x
  3. Step 3: Cross multiply
    13,523.22x = 20,296.35 × 7,968.42
  4. Step 4: Simplify right side
    13,523.22x = 161,729,841.27
  5. Step 5: Solve for x
    x = 161,729,841.27/13,523.22
  6. Step 6: Final answer
    x = 11,959.42

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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.