Home / 11,638.75-17,458.52-4,620.07

Finding the Fourth Proportional to 11,638.75, 17,458.52 and 4,620.07

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Solution

The fourth proportional to 11,638.75, 17,458.52 and 4,620.07 is: 6,930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.75 : 17,458.52 = 4,620.07 : x
  2. Step 2: Convert to fraction form
    11,638.75/17,458.52 = 4,620.07/x
  3. Step 3: Cross multiply
    11,638.75x = 17,458.52 × 4,620.07
  4. Step 4: Simplify right side
    11,638.75x = 80,659,561.40
  5. Step 5: Solve for x
    x = 80,659,561.40/11,638.75
  6. Step 6: Final answer
    x = 6,930.26

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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.