Home / 14,942.05-20,620.10-8,227.82

Finding the Fourth Proportional to 14,942.05, 20,620.10 and 8,227.82

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Solution

The fourth proportional to 14,942.05, 20,620.10 and 8,227.82 is: 11,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.05 : 20,620.10 = 8,227.82 : x
  2. Step 2: Convert to fraction form
    14,942.05/20,620.10 = 8,227.82/x
  3. Step 3: Cross multiply
    14,942.05x = 20,620.10 × 8,227.82
  4. Step 4: Simplify right side
    14,942.05x = 169,658,543.30
  5. Step 5: Solve for x
    x = 169,658,543.30/14,942.05
  6. Step 6: Final answer
    x = 11,354.44

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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.