Home / 11,431.23-17,175.60-7,273.10

Finding the Fourth Proportional to 11,431.23, 17,175.60 and 7,273.10

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Solution

The fourth proportional to 11,431.23, 17,175.60 and 7,273.10 is: 10,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.23 : 17,175.60 = 7,273.10 : x
  2. Step 2: Convert to fraction form
    11,431.23/17,175.60 = 7,273.10/x
  3. Step 3: Cross multiply
    11,431.23x = 17,175.60 × 7,273.10
  4. Step 4: Simplify right side
    11,431.23x = 124,919,770.48
  5. Step 5: Solve for x
    x = 124,919,770.48/11,431.23
  6. Step 6: Final answer
    x = 10,927.94

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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.