Home / 20,367.37-30,554.70-13,361.68

Finding the Fourth Proportional to 20,367.37, 30,554.70 and 13,361.68

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Solution

The fourth proportional to 20,367.37, 30,554.70 and 13,361.68 is: 20,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.37 : 30,554.70 = 13,361.68 : x
  2. Step 2: Convert to fraction form
    20,367.37/30,554.70 = 13,361.68/x
  3. Step 3: Cross multiply
    20,367.37x = 30,554.70 × 13,361.68
  4. Step 4: Simplify right side
    20,367.37x = 408,262,123.90
  5. Step 5: Solve for x
    x = 408,262,123.90/20,367.37
  6. Step 6: Final answer
    x = 20,044.91

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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.