Home / 11,121.20-15,346.60-6,084.42

Finding the Fourth Proportional to 11,121.20, 15,346.60 and 6,084.42

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Solution

The fourth proportional to 11,121.20, 15,346.60 and 6,084.42 is: 8,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.20 : 15,346.60 = 6,084.42 : x
  2. Step 2: Convert to fraction form
    11,121.20/15,346.60 = 6,084.42/x
  3. Step 3: Cross multiply
    11,121.20x = 15,346.60 × 6,084.42
  4. Step 4: Simplify right side
    11,121.20x = 93,375,087.21
  5. Step 5: Solve for x
    x = 93,375,087.21/11,121.20
  6. Step 6: Final answer
    x = 8,396.14

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1.5x scale

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.