Home / 11,728.26-16,180.56-7,250.58

Finding the Fourth Proportional to 11,728.26, 16,180.56 and 7,250.58

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Solution

The fourth proportional to 11,728.26, 16,180.56 and 7,250.58 is: 10,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.26 : 16,180.56 = 7,250.58 : x
  2. Step 2: Convert to fraction form
    11,728.26/16,180.56 = 7,250.58/x
  3. Step 3: Cross multiply
    11,728.26x = 16,180.56 × 7,250.58
  4. Step 4: Simplify right side
    11,728.26x = 117,318,444.72
  5. Step 5: Solve for x
    x = 117,318,444.72/11,728.26
  6. Step 6: Final answer
    x = 10,003.06

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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.