Home / 11,851.04-17,775.05-3,086.64

Finding the Fourth Proportional to 11,851.04, 17,775.05 and 3,086.64

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Solution

The fourth proportional to 11,851.04, 17,775.05 and 3,086.64 is: 4,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.04 : 17,775.05 = 3,086.64 : x
  2. Step 2: Convert to fraction form
    11,851.04/17,775.05 = 3,086.64/x
  3. Step 3: Cross multiply
    11,851.04x = 17,775.05 × 3,086.64
  4. Step 4: Simplify right side
    11,851.04x = 54,865,164.90
  5. Step 5: Solve for x
    x = 54,865,164.90/11,851.04
  6. Step 6: Final answer
    x = 4,629.56

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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.