Home / 13,950.90-20,899.62-13,481.91

Finding the Fourth Proportional to 13,950.90, 20,899.62 and 13,481.91

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Solution

The fourth proportional to 13,950.90, 20,899.62 and 13,481.91 is: 20,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.90 : 20,899.62 = 13,481.91 : x
  2. Step 2: Convert to fraction form
    13,950.90/20,899.62 = 13,481.91/x
  3. Step 3: Cross multiply
    13,950.90x = 20,899.62 × 13,481.91
  4. Step 4: Simplify right side
    13,950.90x = 281,766,795.87
  5. Step 5: Solve for x
    x = 281,766,795.87/13,950.90
  6. Step 6: Final answer
    x = 20,197.03

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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.