Home / 13,283.73-19,918.67-3,922.56

Finding the Fourth Proportional to 13,283.73, 19,918.67 and 3,922.56

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Solution

The fourth proportional to 13,283.73, 19,918.67 and 3,922.56 is: 5,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.73 : 19,918.67 = 3,922.56 : x
  2. Step 2: Convert to fraction form
    13,283.73/19,918.67 = 3,922.56/x
  3. Step 3: Cross multiply
    13,283.73x = 19,918.67 × 3,922.56
  4. Step 4: Simplify right side
    13,283.73x = 78,132,158.58
  5. Step 5: Solve for x
    x = 78,132,158.58/13,283.73
  6. Step 6: Final answer
    x = 5,881.79

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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.