Home / 13,623.22-20,434.42-3,763.09

Finding the Fourth Proportional to 13,623.22, 20,434.42 and 3,763.09

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Solution

The fourth proportional to 13,623.22, 20,434.42 and 3,763.09 is: 5,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.22 : 20,434.42 = 3,763.09 : x
  2. Step 2: Convert to fraction form
    13,623.22/20,434.42 = 3,763.09/x
  3. Step 3: Cross multiply
    13,623.22x = 20,434.42 × 3,763.09
  4. Step 4: Simplify right side
    13,623.22x = 76,896,561.56
  5. Step 5: Solve for x
    x = 76,896,561.56/13,623.22
  6. Step 6: Final answer
    x = 5,644.52

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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.