Home / 11,759.76-17,638.74-4,360.86

Finding the Fourth Proportional to 11,759.76, 17,638.74 and 4,360.86

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Solution

The fourth proportional to 11,759.76, 17,638.74 and 4,360.86 is: 6,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.76 : 17,638.74 = 4,360.86 : x
  2. Step 2: Convert to fraction form
    11,759.76/17,638.74 = 4,360.86/x
  3. Step 3: Cross multiply
    11,759.76x = 17,638.74 × 4,360.86
  4. Step 4: Simplify right side
    11,759.76x = 76,920,075.72
  5. Step 5: Solve for x
    x = 76,920,075.72/11,759.76
  6. Step 6: Final answer
    x = 6,540.96

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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.