Home / 20,161.05-30,230.43-9,633.70

Finding the Fourth Proportional to 20,161.05, 30,230.43 and 9,633.70

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Solution

The fourth proportional to 20,161.05, 30,230.43 and 9,633.70 is: 14,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161.05 : 30,230.43 = 9,633.70 : x
  2. Step 2: Convert to fraction form
    20,161.05/30,230.43 = 9,633.70/x
  3. Step 3: Cross multiply
    20,161.05x = 30,230.43 × 9,633.70
  4. Step 4: Simplify right side
    20,161.05x = 291,230,893.49
  5. Step 5: Solve for x
    x = 291,230,893.49/20,161.05
  6. Step 6: Final answer
    x = 14,445.22

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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.