Home / 11,702.80-17,554.16-3,911.60

Finding the Fourth Proportional to 11,702.80, 17,554.16 and 3,911.60

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Solution

The fourth proportional to 11,702.80, 17,554.16 and 3,911.60 is: 5,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.80 : 17,554.16 = 3,911.60 : x
  2. Step 2: Convert to fraction form
    11,702.80/17,554.16 = 3,911.60/x
  3. Step 3: Cross multiply
    11,702.80x = 17,554.16 × 3,911.60
  4. Step 4: Simplify right side
    11,702.80x = 68,664,852.26
  5. Step 5: Solve for x
    x = 68,664,852.26/11,702.80
  6. Step 6: Final answer
    x = 5,867.39

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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.