Home / 13,922.21-20,879.21-4,058.84

Finding the Fourth Proportional to 13,922.21, 20,879.21 and 4,058.84

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Solution

The fourth proportional to 13,922.21, 20,879.21 and 4,058.84 is: 6,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.21 : 20,879.21 = 4,058.84 : x
  2. Step 2: Convert to fraction form
    13,922.21/20,879.21 = 4,058.84/x
  3. Step 3: Cross multiply
    13,922.21x = 20,879.21 × 4,058.84
  4. Step 4: Simplify right side
    13,922.21x = 84,745,372.72
  5. Step 5: Solve for x
    x = 84,745,372.72/13,922.21
  6. Step 6: Final answer
    x = 6,087.06

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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.