Home / 11,283.57-16,920.02-3,383.03

Finding the Fourth Proportional to 11,283.57, 16,920.02 and 3,383.03

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Solution

The fourth proportional to 11,283.57, 16,920.02 and 3,383.03 is: 5,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.57 : 16,920.02 = 3,383.03 : x
  2. Step 2: Convert to fraction form
    11,283.57/16,920.02 = 3,383.03/x
  3. Step 3: Cross multiply
    11,283.57x = 16,920.02 × 3,383.03
  4. Step 4: Simplify right side
    11,283.57x = 57,240,986.02
  5. Step 5: Solve for x
    x = 57,240,986.02/11,283.57
  6. Step 6: Final answer
    x = 5,072.95

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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.