Home / 12,850.24-19,272.60-4,082.80

Finding the Fourth Proportional to 12,850.24, 19,272.60 and 4,082.80

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Solution

The fourth proportional to 12,850.24, 19,272.60 and 4,082.80 is: 6,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.24 : 19,272.60 = 4,082.80 : x
  2. Step 2: Convert to fraction form
    12,850.24/19,272.60 = 4,082.80/x
  3. Step 3: Cross multiply
    12,850.24x = 19,272.60 × 4,082.80
  4. Step 4: Simplify right side
    12,850.24x = 78,686,171.28
  5. Step 5: Solve for x
    x = 78,686,171.28/12,850.24
  6. Step 6: Final answer
    x = 6,123.32

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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.