Home / 12,850.10-19,272.49-4,949.91

Finding the Fourth Proportional to 12,850.10, 19,272.49 and 4,949.91

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Solution

The fourth proportional to 12,850.10, 19,272.49 and 4,949.91 is: 7,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.10 : 19,272.49 = 4,949.91 : x
  2. Step 2: Convert to fraction form
    12,850.10/19,272.49 = 4,949.91/x
  3. Step 3: Cross multiply
    12,850.10x = 19,272.49 × 4,949.91
  4. Step 4: Simplify right side
    12,850.10x = 95,397,090.98
  5. Step 5: Solve for x
    x = 95,397,090.98/12,850.10
  6. Step 6: Final answer
    x = 7,423.84

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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.