Home / 11,982.51-17,972.73-4,960.71

Finding the Fourth Proportional to 11,982.51, 17,972.73 and 4,960.71

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Solution

The fourth proportional to 11,982.51, 17,972.73 and 4,960.71 is: 7,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.51 : 17,972.73 = 4,960.71 : x
  2. Step 2: Convert to fraction form
    11,982.51/17,972.73 = 4,960.71/x
  3. Step 3: Cross multiply
    11,982.51x = 17,972.73 × 4,960.71
  4. Step 4: Simplify right side
    11,982.51x = 89,157,501.44
  5. Step 5: Solve for x
    x = 89,157,501.44/11,982.51
  6. Step 6: Final answer
    x = 7,440.64

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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.