Home / 11,105.21-15,325.05-6,069.41

Finding the Fourth Proportional to 11,105.21, 15,325.05 and 6,069.41

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Solution

The fourth proportional to 11,105.21, 15,325.05 and 6,069.41 is: 8,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.21 : 15,325.05 = 6,069.41 : x
  2. Step 2: Convert to fraction form
    11,105.21/15,325.05 = 6,069.41/x
  3. Step 3: Cross multiply
    11,105.21x = 15,325.05 × 6,069.41
  4. Step 4: Simplify right side
    11,105.21x = 93,013,935.10
  5. Step 5: Solve for x
    x = 93,013,935.10/11,105.21
  6. Step 6: Final answer
    x = 8,375.71

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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.