Home / 20,112.77-30,173.63-6,604.54

Finding the Fourth Proportional to 20,112.77, 30,173.63 and 6,604.54

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Solution

The fourth proportional to 20,112.77, 30,173.63 and 6,604.54 is: 9,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112.77 : 30,173.63 = 6,604.54 : x
  2. Step 2: Convert to fraction form
    20,112.77/30,173.63 = 6,604.54/x
  3. Step 3: Cross multiply
    20,112.77x = 30,173.63 × 6,604.54
  4. Step 4: Simplify right side
    20,112.77x = 199,282,795.41
  5. Step 5: Solve for x
    x = 199,282,795.41/20,112.77
  6. Step 6: Final answer
    x = 9,908.27

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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.