Home / 13,704.09-20,556.82-4,470.09

Finding the Fourth Proportional to 13,704.09, 20,556.82 and 4,470.09

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Solution

The fourth proportional to 13,704.09, 20,556.82 and 4,470.09 is: 6,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.09 : 20,556.82 = 4,470.09 : x
  2. Step 2: Convert to fraction form
    13,704.09/20,556.82 = 4,470.09/x
  3. Step 3: Cross multiply
    13,704.09x = 20,556.82 × 4,470.09
  4. Step 4: Simplify right side
    13,704.09x = 91,890,893.05
  5. Step 5: Solve for x
    x = 91,890,893.05/13,704.09
  6. Step 6: Final answer
    x = 6,705.36

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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.