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Finding the Fourth Proportional to 13,348, 20,022 and 3,620

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Solution

The fourth proportional to 13,348, 20,022 and 3,620 is: 5,430

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348 : 20,022 = 3,620 : x
  2. Step 2: Convert to fraction form
    13,348/20,022 = 3,620/x
  3. Step 3: Cross multiply
    13,348x = 20,022 × 3,620
  4. Step 4: Simplify right side
    13,348x = 72,479,640
  5. Step 5: Solve for x
    x = 72,479,640/13,348
  6. Step 6: Final answer
    x = 5,430

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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.