Home / 13,851.21-20,776.82-3,462.96

Finding the Fourth Proportional to 13,851.21, 20,776.82 and 3,462.96

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Solution

The fourth proportional to 13,851.21, 20,776.82 and 3,462.96 is: 5,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.21 : 20,776.82 = 3,462.96 : x
  2. Step 2: Convert to fraction form
    13,851.21/20,776.82 = 3,462.96/x
  3. Step 3: Cross multiply
    13,851.21x = 20,776.82 × 3,462.96
  4. Step 4: Simplify right side
    13,851.21x = 71,949,303.62
  5. Step 5: Solve for x
    x = 71,949,303.62/13,851.21
  6. Step 6: Final answer
    x = 5,194.44

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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.