Home / 11,775.25-17,664.51-3,454.09

Finding the Fourth Proportional to 11,775.25, 17,664.51 and 3,454.09

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Solution

The fourth proportional to 11,775.25, 17,664.51 and 3,454.09 is: 5,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.25 : 17,664.51 = 3,454.09 : x
  2. Step 2: Convert to fraction form
    11,775.25/17,664.51 = 3,454.09/x
  3. Step 3: Cross multiply
    11,775.25x = 17,664.51 × 3,454.09
  4. Step 4: Simplify right side
    11,775.25x = 61,014,846.36
  5. Step 5: Solve for x
    x = 61,014,846.36/11,775.25
  6. Step 6: Final answer
    x = 5,181.62

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1.5x scale

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.