Home / 11,453.80-17,180.70-6,845.80

Finding the Fourth Proportional to 11,453.80, 17,180.70 and 6,845.80

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Solution

The fourth proportional to 11,453.80, 17,180.70 and 6,845.80 is: 10,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.80 : 17,180.70 = 6,845.80 : x
  2. Step 2: Convert to fraction form
    11,453.80/17,180.70 = 6,845.80/x
  3. Step 3: Cross multiply
    11,453.80x = 17,180.70 × 6,845.80
  4. Step 4: Simplify right side
    11,453.80x = 117,615,636.06
  5. Step 5: Solve for x
    x = 117,615,636.06/11,453.80
  6. Step 6: Final answer
    x = 10,268.70

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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.