Home / 12,672.76-19,002.36-4,235.56

Finding the Fourth Proportional to 12,672.76, 19,002.36 and 4,235.56

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Solution

The fourth proportional to 12,672.76, 19,002.36 and 4,235.56 is: 6,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.76 : 19,002.36 = 4,235.56 : x
  2. Step 2: Convert to fraction form
    12,672.76/19,002.36 = 4,235.56/x
  3. Step 3: Cross multiply
    12,672.76x = 19,002.36 × 4,235.56
  4. Step 4: Simplify right side
    12,672.76x = 80,485,635.92
  5. Step 5: Solve for x
    x = 80,485,635.92/12,672.76
  6. Step 6: Final answer
    x = 6,351.07

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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.