Home / 12,336.21-18,504.14-2,976.15

Finding the Fourth Proportional to 12,336.21, 18,504.14 and 2,976.15

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Solution

The fourth proportional to 12,336.21, 18,504.14 and 2,976.15 is: 4,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.21 : 18,504.14 = 2,976.15 : x
  2. Step 2: Convert to fraction form
    12,336.21/18,504.14 = 2,976.15/x
  3. Step 3: Cross multiply
    12,336.21x = 18,504.14 × 2,976.15
  4. Step 4: Simplify right side
    12,336.21x = 55,071,020.76
  5. Step 5: Solve for x
    x = 55,071,020.76/12,336.21
  6. Step 6: Final answer
    x = 4,464.18

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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.