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Finding the Fourth Proportional to 21,797.91, 32,694.44 and 6,215.13

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Solution

The fourth proportional to 21,797.91, 32,694.44 and 6,215.13 is: 9,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,797.91 : 32,694.44 = 6,215.13 : x
  2. Step 2: Convert to fraction form
    21,797.91/32,694.44 = 6,215.13/x
  3. Step 3: Cross multiply
    21,797.91x = 32,694.44 × 6,215.13
  4. Step 4: Simplify right side
    21,797.91x = 203,200,163.80
  5. Step 5: Solve for x
    x = 203,200,163.80/21,797.91
  6. Step 6: Final answer
    x = 9,322.00

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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.