Home / 11,105.15-15,324.45-6,069.30

Finding the Fourth Proportional to 11,105.15, 15,324.45 and 6,069.30

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Solution

The fourth proportional to 11,105.15, 15,324.45 and 6,069.30 is: 8,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.15 : 15,324.45 = 6,069.30 : x
  2. Step 2: Convert to fraction form
    11,105.15/15,324.45 = 6,069.30/x
  3. Step 3: Cross multiply
    11,105.15x = 15,324.45 × 6,069.30
  4. Step 4: Simplify right side
    11,105.15x = 93,008,684.39
  5. Step 5: Solve for x
    x = 93,008,684.39/11,105.15
  6. Step 6: Final answer
    x = 8,375.28

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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.