Home / 12,025.09-18,039.61-3,705.11

Finding the Fourth Proportional to 12,025.09, 18,039.61 and 3,705.11

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Solution

The fourth proportional to 12,025.09, 18,039.61 and 3,705.11 is: 5,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.09 : 18,039.61 = 3,705.11 : x
  2. Step 2: Convert to fraction form
    12,025.09/18,039.61 = 3,705.11/x
  3. Step 3: Cross multiply
    12,025.09x = 18,039.61 × 3,705.11
  4. Step 4: Simplify right side
    12,025.09x = 66,838,639.95
  5. Step 5: Solve for x
    x = 66,838,639.95/12,025.09
  6. Step 6: Final answer
    x = 5,558.27

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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.