Home / 12,238.44-18,358.26-5,219.38

Finding the Fourth Proportional to 12,238.44, 18,358.26 and 5,219.38

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Solution

The fourth proportional to 12,238.44, 18,358.26 and 5,219.38 is: 7,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.44 : 18,358.26 = 5,219.38 : x
  2. Step 2: Convert to fraction form
    12,238.44/18,358.26 = 5,219.38/x
  3. Step 3: Cross multiply
    12,238.44x = 18,358.26 × 5,219.38
  4. Step 4: Simplify right side
    12,238.44x = 95,818,735.08
  5. Step 5: Solve for x
    x = 95,818,735.08/12,238.44
  6. Step 6: Final answer
    x = 7,829.33

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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.