Home / 13,773.06-20,657.57-3,912.12

Finding the Fourth Proportional to 13,773.06, 20,657.57 and 3,912.12

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Solution

The fourth proportional to 13,773.06, 20,657.57 and 3,912.12 is: 5,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.06 : 20,657.57 = 3,912.12 : x
  2. Step 2: Convert to fraction form
    13,773.06/20,657.57 = 3,912.12/x
  3. Step 3: Cross multiply
    13,773.06x = 20,657.57 × 3,912.12
  4. Step 4: Simplify right side
    13,773.06x = 80,814,873.19
  5. Step 5: Solve for x
    x = 80,814,873.19/13,773.06
  6. Step 6: Final answer
    x = 5,867.60

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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.