Home / 11,821.35-17,731.80-3,056.07

Finding the Fourth Proportional to 11,821.35, 17,731.80 and 3,056.07

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Solution

The fourth proportional to 11,821.35, 17,731.80 and 3,056.07 is: 4,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.35 : 17,731.80 = 3,056.07 : x
  2. Step 2: Convert to fraction form
    11,821.35/17,731.80 = 3,056.07/x
  3. Step 3: Cross multiply
    11,821.35x = 17,731.80 × 3,056.07
  4. Step 4: Simplify right side
    11,821.35x = 54,189,622.03
  5. Step 5: Solve for x
    x = 54,189,622.03/11,821.35
  6. Step 6: Final answer
    x = 4,584.05

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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.