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Finding the Fourth Proportional to 20,199.77, 30,299.33 and 6,348.77

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Solution

The fourth proportional to 20,199.77, 30,299.33 and 6,348.77 is: 9,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.77 : 30,299.33 = 6,348.77 : x
  2. Step 2: Convert to fraction form
    20,199.77/30,299.33 = 6,348.77/x
  3. Step 3: Cross multiply
    20,199.77x = 30,299.33 × 6,348.77
  4. Step 4: Simplify right side
    20,199.77x = 192,363,294.08
  5. Step 5: Solve for x
    x = 192,363,294.08/20,199.77
  6. Step 6: Final answer
    x = 9,523.05

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1.5x scale

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.