Home / 22,420.08-33,629.94-8,383.65

Finding the Fourth Proportional to 22,420.08, 33,629.94 and 8,383.65

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Solution

The fourth proportional to 22,420.08, 33,629.94 and 8,383.65 is: 12,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.08 : 33,629.94 = 8,383.65 : x
  2. Step 2: Convert to fraction form
    22,420.08/33,629.94 = 8,383.65/x
  3. Step 3: Cross multiply
    22,420.08x = 33,629.94 × 8,383.65
  4. Step 4: Simplify right side
    22,420.08x = 281,941,646.48
  5. Step 5: Solve for x
    x = 281,941,646.48/22,420.08
  6. Step 6: Final answer
    x = 12,575.41

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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.