Home / 18,772.34-28,163.82-9,401.04

Finding the Fourth Proportional to 18,772.34, 28,163.82 and 9,401.04

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Solution

The fourth proportional to 18,772.34, 28,163.82 and 9,401.04 is: 14,104.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.34 : 28,163.82 = 9,401.04 : x
  2. Step 2: Convert to fraction form
    18,772.34/28,163.82 = 9,401.04/x
  3. Step 3: Cross multiply
    18,772.34x = 28,163.82 × 9,401.04
  4. Step 4: Simplify right side
    18,772.34x = 264,769,198.37
  5. Step 5: Solve for x
    x = 264,769,198.37/18,772.34
  6. Step 6: Final answer
    x = 14,104.22

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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.