Home / 22,020.44-30,376.91-13,940.39

Finding the Fourth Proportional to 22,020.44, 30,376.91 and 13,940.39

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Solution

The fourth proportional to 22,020.44, 30,376.91 and 13,940.39 is: 19,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.44 : 30,376.91 = 13,940.39 : x
  2. Step 2: Convert to fraction form
    22,020.44/30,376.91 = 13,940.39/x
  3. Step 3: Cross multiply
    22,020.44x = 30,376.91 × 13,940.39
  4. Step 4: Simplify right side
    22,020.44x = 423,465,902.69
  5. Step 5: Solve for x
    x = 423,465,902.69/22,020.44
  6. Step 6: Final answer
    x = 19,230.58

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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.