Home / 12,054.42-18,079.20-3,289.95

Finding the Fourth Proportional to 12,054.42, 18,079.20 and 3,289.95

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Solution

The fourth proportional to 12,054.42, 18,079.20 and 3,289.95 is: 4,934.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.42 : 18,079.20 = 3,289.95 : x
  2. Step 2: Convert to fraction form
    12,054.42/18,079.20 = 3,289.95/x
  3. Step 3: Cross multiply
    12,054.42x = 18,079.20 × 3,289.95
  4. Step 4: Simplify right side
    12,054.42x = 59,479,664.04
  5. Step 5: Solve for x
    x = 59,479,664.04/12,054.42
  6. Step 6: Final answer
    x = 4,934.26

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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.