Home / 13,906.44-20,866.50-5,586.12

Finding the Fourth Proportional to 13,906.44, 20,866.50 and 5,586.12

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Solution

The fourth proportional to 13,906.44, 20,866.50 and 5,586.12 is: 8,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.44 : 20,866.50 = 5,586.12 : x
  2. Step 2: Convert to fraction form
    13,906.44/20,866.50 = 5,586.12/x
  3. Step 3: Cross multiply
    13,906.44x = 20,866.50 × 5,586.12
  4. Step 4: Simplify right side
    13,906.44x = 116,562,772.98
  5. Step 5: Solve for x
    x = 116,562,772.98/13,906.44
  6. Step 6: Final answer
    x = 8,381.93

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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.