Home / 11,968.81-17,946.16-4,940.95

Finding the Fourth Proportional to 11,968.81, 17,946.16 and 4,940.95

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Solution

The fourth proportional to 11,968.81, 17,946.16 and 4,940.95 is: 7,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.81 : 17,946.16 = 4,940.95 : x
  2. Step 2: Convert to fraction form
    11,968.81/17,946.16 = 4,940.95/x
  3. Step 3: Cross multiply
    11,968.81x = 17,946.16 × 4,940.95
  4. Step 4: Simplify right side
    11,968.81x = 88,671,055.68
  5. Step 5: Solve for x
    x = 88,671,055.68/11,968.81
  6. Step 6: Final answer
    x = 7,408.51

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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.