Home / 20,607.44-30,906.83-5,812.39

Finding the Fourth Proportional to 20,607.44, 30,906.83 and 5,812.39

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Solution

The fourth proportional to 20,607.44, 30,906.83 and 5,812.39 is: 8,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607.44 : 30,906.83 = 5,812.39 : x
  2. Step 2: Convert to fraction form
    20,607.44/30,906.83 = 5,812.39/x
  3. Step 3: Cross multiply
    20,607.44x = 30,906.83 × 5,812.39
  4. Step 4: Simplify right side
    20,607.44x = 179,642,549.62
  5. Step 5: Solve for x
    x = 179,642,549.62/20,607.44
  6. Step 6: Final answer
    x = 8,717.36

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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.