Home / 11,638.90-17,469.33-7,746.04

Finding the Fourth Proportional to 11,638.90, 17,469.33 and 7,746.04

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Solution

The fourth proportional to 11,638.90, 17,469.33 and 7,746.04 is: 11,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.90 : 17,469.33 = 7,746.04 : x
  2. Step 2: Convert to fraction form
    11,638.90/17,469.33 = 7,746.04/x
  3. Step 3: Cross multiply
    11,638.90x = 17,469.33 × 7,746.04
  4. Step 4: Simplify right side
    11,638.90x = 135,318,128.95
  5. Step 5: Solve for x
    x = 135,318,128.95/11,638.90
  6. Step 6: Final answer
    x = 11,626.37

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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.