Home / 12,942.86-19,414.30-5,542.54

Finding the Fourth Proportional to 12,942.86, 19,414.30 and 5,542.54

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Solution

The fourth proportional to 12,942.86, 19,414.30 and 5,542.54 is: 8,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.86 : 19,414.30 = 5,542.54 : x
  2. Step 2: Convert to fraction form
    12,942.86/19,414.30 = 5,542.54/x
  3. Step 3: Cross multiply
    12,942.86x = 19,414.30 × 5,542.54
  4. Step 4: Simplify right side
    12,942.86x = 107,604,534.32
  5. Step 5: Solve for x
    x = 107,604,534.32/12,942.86
  6. Step 6: Final answer
    x = 8,313.81

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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.