Home / 22,296.60-33,469.20-12,455.10

Finding the Fourth Proportional to 22,296.60, 33,469.20 and 12,455.10

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Solution

The fourth proportional to 22,296.60, 33,469.20 and 12,455.10 is: 18,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,296.60 : 33,469.20 = 12,455.10 : x
  2. Step 2: Convert to fraction form
    22,296.60/33,469.20 = 12,455.10/x
  3. Step 3: Cross multiply
    22,296.60x = 33,469.20 × 12,455.10
  4. Step 4: Simplify right side
    22,296.60x = 416,862,232.92
  5. Step 5: Solve for x
    x = 416,862,232.92/22,296.60
  6. Step 6: Final answer
    x = 18,696.22

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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.