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Finding the Fourth Proportional to 13,469.70, 20,204.55 and 8,804.10

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Solution

The fourth proportional to 13,469.70, 20,204.55 and 8,804.10 is: 13,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.70 : 20,204.55 = 8,804.10 : x
  2. Step 2: Convert to fraction form
    13,469.70/20,204.55 = 8,804.10/x
  3. Step 3: Cross multiply
    13,469.70x = 20,204.55 × 8,804.10
  4. Step 4: Simplify right side
    13,469.70x = 177,882,878.66
  5. Step 5: Solve for x
    x = 177,882,878.66/13,469.70
  6. Step 6: Final answer
    x = 13,206.15

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1.5x scale

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.