Home / 13,733.80-20,600.70-3,872.95

Finding the Fourth Proportional to 13,733.80, 20,600.70 and 3,872.95

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Solution

The fourth proportional to 13,733.80, 20,600.70 and 3,872.95 is: 5,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.80 : 20,600.70 = 3,872.95 : x
  2. Step 2: Convert to fraction form
    13,733.80/20,600.70 = 3,872.95/x
  3. Step 3: Cross multiply
    13,733.80x = 20,600.70 × 3,872.95
  4. Step 4: Simplify right side
    13,733.80x = 79,785,481.07
  5. Step 5: Solve for x
    x = 79,785,481.07/13,733.80
  6. Step 6: Final answer
    x = 5,809.43

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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.