Home / 12,252.25-18,378.38-3,018.25

Finding the Fourth Proportional to 12,252.25, 18,378.38 and 3,018.25

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Solution

The fourth proportional to 12,252.25, 18,378.38 and 3,018.25 is: 4,527.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.25 : 18,378.38 = 3,018.25 : x
  2. Step 2: Convert to fraction form
    12,252.25/18,378.38 = 3,018.25/x
  3. Step 3: Cross multiply
    12,252.25x = 18,378.38 × 3,018.25
  4. Step 4: Simplify right side
    12,252.25x = 55,470,545.44
  5. Step 5: Solve for x
    x = 55,470,545.44/12,252.25
  6. Step 6: Final answer
    x = 4,527.38

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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.