Home / 21,975.22-32,964.76-6,180.38

Finding the Fourth Proportional to 21,975.22, 32,964.76 and 6,180.38

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Solution

The fourth proportional to 21,975.22, 32,964.76 and 6,180.38 is: 9,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975.22 : 32,964.76 = 6,180.38 : x
  2. Step 2: Convert to fraction form
    21,975.22/32,964.76 = 6,180.38/x
  3. Step 3: Cross multiply
    21,975.22x = 32,964.76 × 6,180.38
  4. Step 4: Simplify right side
    21,975.22x = 203,734,743.41
  5. Step 5: Solve for x
    x = 203,734,743.41/21,975.22
  6. Step 6: Final answer
    x = 9,271.11

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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.