Home / 12,954.54-19,431.81-3,594.56

Finding the Fourth Proportional to 12,954.54, 19,431.81 and 3,594.56

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Solution

The fourth proportional to 12,954.54, 19,431.81 and 3,594.56 is: 5,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.54 : 19,431.81 = 3,594.56 : x
  2. Step 2: Convert to fraction form
    12,954.54/19,431.81 = 3,594.56/x
  3. Step 3: Cross multiply
    12,954.54x = 19,431.81 × 3,594.56
  4. Step 4: Simplify right side
    12,954.54x = 69,848,696.31
  5. Step 5: Solve for x
    x = 69,848,696.31/12,954.54
  6. Step 6: Final answer
    x = 5,391.83

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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.