Home / 22,216.16-33,317.20-6,629.60

Finding the Fourth Proportional to 22,216.16, 33,317.20 and 6,629.60

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Solution

The fourth proportional to 22,216.16, 33,317.20 and 6,629.60 is: 9,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216.16 : 33,317.20 = 6,629.60 : x
  2. Step 2: Convert to fraction form
    22,216.16/33,317.20 = 6,629.60/x
  3. Step 3: Cross multiply
    22,216.16x = 33,317.20 × 6,629.60
  4. Step 4: Simplify right side
    22,216.16x = 220,879,709.12
  5. Step 5: Solve for x
    x = 220,879,709.12/22,216.16
  6. Step 6: Final answer
    x = 9,942.30

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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.