Home / 21,534.36-32,295.30-8,383.80

Finding the Fourth Proportional to 21,534.36, 32,295.30 and 8,383.80

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Solution

The fourth proportional to 21,534.36, 32,295.30 and 8,383.80 is: 12,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.36 : 32,295.30 = 8,383.80 : x
  2. Step 2: Convert to fraction form
    21,534.36/32,295.30 = 8,383.80/x
  3. Step 3: Cross multiply
    21,534.36x = 32,295.30 × 8,383.80
  4. Step 4: Simplify right side
    21,534.36x = 270,757,336.14
  5. Step 5: Solve for x
    x = 270,757,336.14/21,534.36
  6. Step 6: Final answer
    x = 12,573.27

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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.