Home / 11,345.31-17,018.04-3,949.75

Finding the Fourth Proportional to 11,345.31, 17,018.04 and 3,949.75

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Solution

The fourth proportional to 11,345.31, 17,018.04 and 3,949.75 is: 5,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.31 : 17,018.04 = 3,949.75 : x
  2. Step 2: Convert to fraction form
    11,345.31/17,018.04 = 3,949.75/x
  3. Step 3: Cross multiply
    11,345.31x = 17,018.04 × 3,949.75
  4. Step 4: Simplify right side
    11,345.31x = 67,216,918.40
  5. Step 5: Solve for x
    x = 67,216,918.40/11,345.31
  6. Step 6: Final answer
    x = 5,924.65

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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.