Home / 12,025.52-18,039.26-3,705.54

Finding the Fourth Proportional to 12,025.52, 18,039.26 and 3,705.54

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Solution

The fourth proportional to 12,025.52, 18,039.26 and 3,705.54 is: 5,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.52 : 18,039.26 = 3,705.54 : x
  2. Step 2: Convert to fraction form
    12,025.52/18,039.26 = 3,705.54/x
  3. Step 3: Cross multiply
    12,025.52x = 18,039.26 × 3,705.54
  4. Step 4: Simplify right side
    12,025.52x = 66,845,199.50
  5. Step 5: Solve for x
    x = 66,845,199.50/12,025.52
  6. Step 6: Final answer
    x = 5,558.61

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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.