Home / 22,222.20-33,325.20-8,889.60

Finding the Fourth Proportional to 22,222.20, 33,325.20 and 8,889.60

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Solution

The fourth proportional to 22,222.20, 33,325.20 and 8,889.60 is: 13,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.20 : 33,325.20 = 8,889.60 : x
  2. Step 2: Convert to fraction form
    22,222.20/33,325.20 = 8,889.60/x
  3. Step 3: Cross multiply
    22,222.20x = 33,325.20 × 8,889.60
  4. Step 4: Simplify right side
    22,222.20x = 296,247,697.92
  5. Step 5: Solve for x
    x = 296,247,697.92/22,222.20
  6. Step 6: Final answer
    x = 13,331.16

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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.