Home / 22,423.20-33,639.84-11,325.60

Finding the Fourth Proportional to 22,423.20, 33,639.84 and 11,325.60

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Solution

The fourth proportional to 22,423.20, 33,639.84 and 11,325.60 is: 16,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.20 : 33,639.84 = 11,325.60 : x
  2. Step 2: Convert to fraction form
    22,423.20/33,639.84 = 11,325.60/x
  3. Step 3: Cross multiply
    22,423.20x = 33,639.84 × 11,325.60
  4. Step 4: Simplify right side
    22,423.20x = 380,991,371.90
  5. Step 5: Solve for x
    x = 380,991,371.90/22,423.20
  6. Step 6: Final answer
    x = 16,990.95

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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.