Home / 11,816.19-17,736.65-5,247.03

Finding the Fourth Proportional to 11,816.19, 17,736.65 and 5,247.03

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Solution

The fourth proportional to 11,816.19, 17,736.65 and 5,247.03 is: 7,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.19 : 17,736.65 = 5,247.03 : x
  2. Step 2: Convert to fraction form
    11,816.19/17,736.65 = 5,247.03/x
  3. Step 3: Cross multiply
    11,816.19x = 17,736.65 × 5,247.03
  4. Step 4: Simplify right side
    11,816.19x = 93,064,708.41
  5. Step 5: Solve for x
    x = 93,064,708.41/11,816.19
  6. Step 6: Final answer
    x = 7,876.03

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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.