Home / 11,812.09-17,717.69-2,927.45

Finding the Fourth Proportional to 11,812.09, 17,717.69 and 2,927.45

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Solution

The fourth proportional to 11,812.09, 17,717.69 and 2,927.45 is: 4,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.09 : 17,717.69 = 2,927.45 : x
  2. Step 2: Convert to fraction form
    11,812.09/17,717.69 = 2,927.45/x
  3. Step 3: Cross multiply
    11,812.09x = 17,717.69 × 2,927.45
  4. Step 4: Simplify right side
    11,812.09x = 51,867,624.34
  5. Step 5: Solve for x
    x = 51,867,624.34/11,812.09
  6. Step 6: Final answer
    x = 4,391.06

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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.