Home / 13,734.73-20,601.22-4,381.46

Finding the Fourth Proportional to 13,734.73, 20,601.22 and 4,381.46

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Solution

The fourth proportional to 13,734.73, 20,601.22 and 4,381.46 is: 6,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.73 : 20,601.22 = 4,381.46 : x
  2. Step 2: Convert to fraction form
    13,734.73/20,601.22 = 4,381.46/x
  3. Step 3: Cross multiply
    13,734.73x = 20,601.22 × 4,381.46
  4. Step 4: Simplify right side
    13,734.73x = 90,263,421.38
  5. Step 5: Solve for x
    x = 90,263,421.38/13,734.73
  6. Step 6: Final answer
    x = 6,571.91

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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.