Home / 12,054.31-18,081.97-3,289.23

Finding the Fourth Proportional to 12,054.31, 18,081.97 and 3,289.23

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Solution

The fourth proportional to 12,054.31, 18,081.97 and 3,289.23 is: 4,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.31 : 18,081.97 = 3,289.23 : x
  2. Step 2: Convert to fraction form
    12,054.31/18,081.97 = 3,289.23/x
  3. Step 3: Cross multiply
    12,054.31x = 18,081.97 × 3,289.23
  4. Step 4: Simplify right side
    12,054.31x = 59,475,749.96
  5. Step 5: Solve for x
    x = 59,475,749.96/12,054.31
  6. Step 6: Final answer
    x = 4,933.98

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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.