Home / 12,288.94-18,433.42-3,054.94

Finding the Fourth Proportional to 12,288.94, 18,433.42 and 3,054.94

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Solution

The fourth proportional to 12,288.94, 18,433.42 and 3,054.94 is: 4,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.94 : 18,433.42 = 3,054.94 : x
  2. Step 2: Convert to fraction form
    12,288.94/18,433.42 = 3,054.94/x
  3. Step 3: Cross multiply
    12,288.94x = 18,433.42 × 3,054.94
  4. Step 4: Simplify right side
    12,288.94x = 56,312,938.37
  5. Step 5: Solve for x
    x = 56,312,938.37/12,288.94
  6. Step 6: Final answer
    x = 4,582.41

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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.