Home / 11,941.85-16,480.31-6,636.75

Finding the Fourth Proportional to 11,941.85, 16,480.31 and 6,636.75

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Solution

The fourth proportional to 11,941.85, 16,480.31 and 6,636.75 is: 9,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.85 : 16,480.31 = 6,636.75 : x
  2. Step 2: Convert to fraction form
    11,941.85/16,480.31 = 6,636.75/x
  3. Step 3: Cross multiply
    11,941.85x = 16,480.31 × 6,636.75
  4. Step 4: Simplify right side
    11,941.85x = 109,375,664.21
  5. Step 5: Solve for x
    x = 109,375,664.21/11,941.85
  6. Step 6: Final answer
    x = 9,159.03

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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.