Home / 12,232.45-18,355.60-5,211.73

Finding the Fourth Proportional to 12,232.45, 18,355.60 and 5,211.73

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Solution

The fourth proportional to 12,232.45, 18,355.60 and 5,211.73 is: 7,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.45 : 18,355.60 = 5,211.73 : x
  2. Step 2: Convert to fraction form
    12,232.45/18,355.60 = 5,211.73/x
  3. Step 3: Cross multiply
    12,232.45x = 18,355.60 × 5,211.73
  4. Step 4: Simplify right side
    12,232.45x = 95,664,379.71
  5. Step 5: Solve for x
    x = 95,664,379.71/12,232.45
  6. Step 6: Final answer
    x = 7,820.54

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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.