Home / 11,814.39-17,724.62-4,418.89

Finding the Fourth Proportional to 11,814.39, 17,724.62 and 4,418.89

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Solution

The fourth proportional to 11,814.39, 17,724.62 and 4,418.89 is: 6,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.39 : 17,724.62 = 4,418.89 : x
  2. Step 2: Convert to fraction form
    11,814.39/17,724.62 = 4,418.89/x
  3. Step 3: Cross multiply
    11,814.39x = 17,724.62 × 4,418.89
  4. Step 4: Simplify right side
    11,814.39x = 78,323,112.81
  5. Step 5: Solve for x
    x = 78,323,112.81/11,814.39
  6. Step 6: Final answer
    x = 6,629.47

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1.5x scale

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.