Home / 14,093.39-21,120.50-7,844.04

Finding the Fourth Proportional to 14,093.39, 21,120.50 and 7,844.04

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Solution

The fourth proportional to 14,093.39, 21,120.50 and 7,844.04 is: 11,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.39 : 21,120.50 = 7,844.04 : x
  2. Step 2: Convert to fraction form
    14,093.39/21,120.50 = 7,844.04/x
  3. Step 3: Cross multiply
    14,093.39x = 21,120.50 × 7,844.04
  4. Step 4: Simplify right side
    14,093.39x = 165,670,022.31
  5. Step 5: Solve for x
    x = 165,670,022.31/14,093.39
  6. Step 6: Final answer
    x = 11,755.16

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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.