Home / 20,384.72-30,577.16-5,593.80

Finding the Fourth Proportional to 20,384.72, 30,577.16 and 5,593.80

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Solution

The fourth proportional to 20,384.72, 30,577.16 and 5,593.80 is: 8,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,384.72 : 30,577.16 = 5,593.80 : x
  2. Step 2: Convert to fraction form
    20,384.72/30,577.16 = 5,593.80/x
  3. Step 3: Cross multiply
    20,384.72x = 30,577.16 × 5,593.80
  4. Step 4: Simplify right side
    20,384.72x = 171,042,517.61
  5. Step 5: Solve for x
    x = 171,042,517.61/20,384.72
  6. Step 6: Final answer
    x = 8,390.72

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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.