Home / 11,777.43-17,662.47-3,455.37

Finding the Fourth Proportional to 11,777.43, 17,662.47 and 3,455.37

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Solution

The fourth proportional to 11,777.43, 17,662.47 and 3,455.37 is: 5,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.43 : 17,662.47 = 3,455.37 : x
  2. Step 2: Convert to fraction form
    11,777.43/17,662.47 = 3,455.37/x
  3. Step 3: Cross multiply
    11,777.43x = 17,662.47 × 3,455.37
  4. Step 4: Simplify right side
    11,777.43x = 61,030,368.96
  5. Step 5: Solve for x
    x = 61,030,368.96/11,777.43
  6. Step 6: Final answer
    x = 5,181.98

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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.