Home / 11,775.25-17,661.57-3,455.34

Finding the Fourth Proportional to 11,775.25, 17,661.57 and 3,455.34

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Solution

The fourth proportional to 11,775.25, 17,661.57 and 3,455.34 is: 5,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.25 : 17,661.57 = 3,455.34 : x
  2. Step 2: Convert to fraction form
    11,775.25/17,661.57 = 3,455.34/x
  3. Step 3: Cross multiply
    11,775.25x = 17,661.57 × 3,455.34
  4. Step 4: Simplify right side
    11,775.25x = 61,026,640.98
  5. Step 5: Solve for x
    x = 61,026,640.98/11,775.25
  6. Step 6: Final answer
    x = 5,182.62

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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.