Home / 11,675.85-16,112.57-6,370.55

Finding the Fourth Proportional to 11,675.85, 16,112.57 and 6,370.55

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Solution

The fourth proportional to 11,675.85, 16,112.57 and 6,370.55 is: 8,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.85 : 16,112.57 = 6,370.55 : x
  2. Step 2: Convert to fraction form
    11,675.85/16,112.57 = 6,370.55/x
  3. Step 3: Cross multiply
    11,675.85x = 16,112.57 × 6,370.55
  4. Step 4: Simplify right side
    11,675.85x = 102,645,820.40
  5. Step 5: Solve for x
    x = 102,645,820.40/11,675.85
  6. Step 6: Final answer
    x = 8,791.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.