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Finding the Fourth Proportional to 20,199, 30,303.42 and 6,348

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Solution

The fourth proportional to 20,199, 30,303.42 and 6,348 is: 9,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199 : 30,303.42 = 6,348 : x
  2. Step 2: Convert to fraction form
    20,199/30,303.42 = 6,348/x
  3. Step 3: Cross multiply
    20,199x = 30,303.42 × 6,348
  4. Step 4: Simplify right side
    20,199x = 192,366,110.16
  5. Step 5: Solve for x
    x = 192,366,110.16/20,199
  6. Step 6: Final answer
    x = 9,523.55

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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.