Home / 19,481.20-29,208.24-8,384.56

Finding the Fourth Proportional to 19,481.20, 29,208.24 and 8,384.56

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Solution

The fourth proportional to 19,481.20, 29,208.24 and 8,384.56 is: 12,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.20 : 29,208.24 = 8,384.56 : x
  2. Step 2: Convert to fraction form
    19,481.20/29,208.24 = 8,384.56/x
  3. Step 3: Cross multiply
    19,481.20x = 29,208.24 × 8,384.56
  4. Step 4: Simplify right side
    19,481.20x = 244,898,240.77
  5. Step 5: Solve for x
    x = 244,898,240.77/19,481.20
  6. Step 6: Final answer
    x = 12,571.00

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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.