Home / 14,309.38-21,467.34-4,949.39

Finding the Fourth Proportional to 14,309.38, 21,467.34 and 4,949.39

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Solution

The fourth proportional to 14,309.38, 21,467.34 and 4,949.39 is: 7,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.38 : 21,467.34 = 4,949.39 : x
  2. Step 2: Convert to fraction form
    14,309.38/21,467.34 = 4,949.39/x
  3. Step 3: Cross multiply
    14,309.38x = 21,467.34 × 4,949.39
  4. Step 4: Simplify right side
    14,309.38x = 106,250,151.70
  5. Step 5: Solve for x
    x = 106,250,151.70/14,309.38
  6. Step 6: Final answer
    x = 7,425.21

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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.