Home / 11,638.60-17,458.62-5,789.32

Finding the Fourth Proportional to 11,638.60, 17,458.62 and 5,789.32

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Solution

The fourth proportional to 11,638.60, 17,458.62 and 5,789.32 is: 8,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.60 : 17,458.62 = 5,789.32 : x
  2. Step 2: Convert to fraction form
    11,638.60/17,458.62 = 5,789.32/x
  3. Step 3: Cross multiply
    11,638.60x = 17,458.62 × 5,789.32
  4. Step 4: Simplify right side
    11,638.60x = 101,073,537.94
  5. Step 5: Solve for x
    x = 101,073,537.94/11,638.60
  6. Step 6: Final answer
    x = 8,684.34

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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.