Home / 9,180.90-12,662.60-6,192

Finding the Fourth Proportional to 9,180.90, 12,662.60 and 6,192

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Solution

The fourth proportional to 9,180.90, 12,662.60 and 6,192 is: 8,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.90 : 12,662.60 = 6,192 : x
  2. Step 2: Convert to fraction form
    9,180.90/12,662.60 = 6,192/x
  3. Step 3: Cross multiply
    9,180.90x = 12,662.60 × 6,192
  4. Step 4: Simplify right side
    9,180.90x = 78,406,788.24
  5. Step 5: Solve for x
    x = 78,406,788.24/9,180.90
  6. Step 6: Final answer
    x = 8,540.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.