Home / 20,161.44-30,230.24-6,117.20

Finding the Fourth Proportional to 20,161.44, 30,230.24 and 6,117.20

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Solution

The fourth proportional to 20,161.44, 30,230.24 and 6,117.20 is: 9,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161.44 : 30,230.24 = 6,117.20 : x
  2. Step 2: Convert to fraction form
    20,161.44/30,230.24 = 6,117.20/x
  3. Step 3: Cross multiply
    20,161.44x = 30,230.24 × 6,117.20
  4. Step 4: Simplify right side
    20,161.44x = 184,924,424.13
  5. Step 5: Solve for x
    x = 184,924,424.13/20,161.44
  6. Step 6: Final answer
    x = 9,172.18

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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.