Home / 13,236.42-19,857.50-3,877.22

Finding the Fourth Proportional to 13,236.42, 19,857.50 and 3,877.22

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Solution

The fourth proportional to 13,236.42, 19,857.50 and 3,877.22 is: 5,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.42 : 19,857.50 = 3,877.22 : x
  2. Step 2: Convert to fraction form
    13,236.42/19,857.50 = 3,877.22/x
  3. Step 3: Cross multiply
    13,236.42x = 19,857.50 × 3,877.22
  4. Step 4: Simplify right side
    13,236.42x = 76,991,896.15
  5. Step 5: Solve for x
    x = 76,991,896.15/13,236.42
  6. Step 6: Final answer
    x = 5,816.67

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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.