Home / 11,866.31-17,799.43-4,849.61

Finding the Fourth Proportional to 11,866.31, 17,799.43 and 4,849.61

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Solution

The fourth proportional to 11,866.31, 17,799.43 and 4,849.61 is: 7,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866.31 : 17,799.43 = 4,849.61 : x
  2. Step 2: Convert to fraction form
    11,866.31/17,799.43 = 4,849.61/x
  3. Step 3: Cross multiply
    11,866.31x = 17,799.43 × 4,849.61
  4. Step 4: Simplify right side
    11,866.31x = 86,320,293.72
  5. Step 5: Solve for x
    x = 86,320,293.72/11,866.31
  6. Step 6: Final answer
    x = 7,274.40

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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.