Home / 20,161.85-30,242.84-9,066.47

Finding the Fourth Proportional to 20,161.85, 30,242.84 and 9,066.47

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Solution

The fourth proportional to 20,161.85, 30,242.84 and 9,066.47 is: 13,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161.85 : 30,242.84 = 9,066.47 : x
  2. Step 2: Convert to fraction form
    20,161.85/30,242.84 = 9,066.47/x
  3. Step 3: Cross multiply
    20,161.85x = 30,242.84 × 9,066.47
  4. Step 4: Simplify right side
    20,161.85x = 274,195,605.03
  5. Step 5: Solve for x
    x = 274,195,605.03/20,161.85
  6. Step 6: Final answer
    x = 13,599.73

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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.