Home / 20,208.22-30,302.18-11,777.44

Finding the Fourth Proportional to 20,208.22, 30,302.18 and 11,777.44

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Solution

The fourth proportional to 20,208.22, 30,302.18 and 11,777.44 is: 17,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208.22 : 30,302.18 = 11,777.44 : x
  2. Step 2: Convert to fraction form
    20,208.22/30,302.18 = 11,777.44/x
  3. Step 3: Cross multiply
    20,208.22x = 30,302.18 × 11,777.44
  4. Step 4: Simplify right side
    20,208.22x = 356,882,106.82
  5. Step 5: Solve for x
    x = 356,882,106.82/20,208.22
  6. Step 6: Final answer
    x = 17,660.24

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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.