Home / 12,245.38-18,356.19-4,847.38

Finding the Fourth Proportional to 12,245.38, 18,356.19 and 4,847.38

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Solution

The fourth proportional to 12,245.38, 18,356.19 and 4,847.38 is: 7,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.38 : 18,356.19 = 4,847.38 : x
  2. Step 2: Convert to fraction form
    12,245.38/18,356.19 = 4,847.38/x
  3. Step 3: Cross multiply
    12,245.38x = 18,356.19 × 4,847.38
  4. Step 4: Simplify right side
    12,245.38x = 88,979,428.28
  5. Step 5: Solve for x
    x = 88,979,428.28/12,245.38
  6. Step 6: Final answer
    x = 7,266.37

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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.