Home / 12,226.08-18,340.44-3,903.18

Finding the Fourth Proportional to 12,226.08, 18,340.44 and 3,903.18

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Solution

The fourth proportional to 12,226.08, 18,340.44 and 3,903.18 is: 5,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.08 : 18,340.44 = 3,903.18 : x
  2. Step 2: Convert to fraction form
    12,226.08/18,340.44 = 3,903.18/x
  3. Step 3: Cross multiply
    12,226.08x = 18,340.44 × 3,903.18
  4. Step 4: Simplify right side
    12,226.08x = 71,586,038.60
  5. Step 5: Solve for x
    x = 71,586,038.60/12,226.08
  6. Step 6: Final answer
    x = 5,855.19

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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.