Home / 13,664.88-20,496.30-3,668.80

Finding the Fourth Proportional to 13,664.88, 20,496.30 and 3,668.80

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Solution

The fourth proportional to 13,664.88, 20,496.30 and 3,668.80 is: 5,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.88 : 20,496.30 = 3,668.80 : x
  2. Step 2: Convert to fraction form
    13,664.88/20,496.30 = 3,668.80/x
  3. Step 3: Cross multiply
    13,664.88x = 20,496.30 × 3,668.80
  4. Step 4: Simplify right side
    13,664.88x = 75,196,825.44
  5. Step 5: Solve for x
    x = 75,196,825.44/13,664.88
  6. Step 6: Final answer
    x = 5,502.93

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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.