Home / 14,942.73-20,620.97-8,228.34

Finding the Fourth Proportional to 14,942.73, 20,620.97 and 8,228.34

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Solution

The fourth proportional to 14,942.73, 20,620.97 and 8,228.34 is: 11,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.73 : 20,620.97 = 8,228.34 : x
  2. Step 2: Convert to fraction form
    14,942.73/20,620.97 = 8,228.34/x
  3. Step 3: Cross multiply
    14,942.73x = 20,620.97 × 8,228.34
  4. Step 4: Simplify right side
    14,942.73x = 169,676,466.64
  5. Step 5: Solve for x
    x = 169,676,466.64/14,942.73
  6. Step 6: Final answer
    x = 11,355.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.