Home / 13,223.86-19,836.32-3,363.21

Finding the Fourth Proportional to 13,223.86, 19,836.32 and 3,363.21

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Solution

The fourth proportional to 13,223.86, 19,836.32 and 3,363.21 is: 5,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.86 : 19,836.32 = 3,363.21 : x
  2. Step 2: Convert to fraction form
    13,223.86/19,836.32 = 3,363.21/x
  3. Step 3: Cross multiply
    13,223.86x = 19,836.32 × 3,363.21
  4. Step 4: Simplify right side
    13,223.86x = 66,713,692.97
  5. Step 5: Solve for x
    x = 66,713,692.97/13,223.86
  6. Step 6: Final answer
    x = 5,044.95

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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.