Home / 14,311.21-21,466.57-3,922.96

Finding the Fourth Proportional to 14,311.21, 21,466.57 and 3,922.96

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Solution

The fourth proportional to 14,311.21, 21,466.57 and 3,922.96 is: 5,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.21 : 21,466.57 = 3,922.96 : x
  2. Step 2: Convert to fraction form
    14,311.21/21,466.57 = 3,922.96/x
  3. Step 3: Cross multiply
    14,311.21x = 21,466.57 × 3,922.96
  4. Step 4: Simplify right side
    14,311.21x = 84,212,495.45
  5. Step 5: Solve for x
    x = 84,212,495.45/14,311.21
  6. Step 6: Final answer
    x = 5,884.37

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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.