Home / 19,912.92-29,866.80-8,224.56

Finding the Fourth Proportional to 19,912.92, 29,866.80 and 8,224.56

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Solution

The fourth proportional to 19,912.92, 29,866.80 and 8,224.56 is: 12,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.92 : 29,866.80 = 8,224.56 : x
  2. Step 2: Convert to fraction form
    19,912.92/29,866.80 = 8,224.56/x
  3. Step 3: Cross multiply
    19,912.92x = 29,866.80 × 8,224.56
  4. Step 4: Simplify right side
    19,912.92x = 245,641,288.61
  5. Step 5: Solve for x
    x = 245,641,288.61/19,912.92
  6. Step 6: Final answer
    x = 12,335.77

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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.