Home / 18,141.37-27,222.55-7,610.44

Finding the Fourth Proportional to 18,141.37, 27,222.55 and 7,610.44

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Solution

The fourth proportional to 18,141.37, 27,222.55 and 7,610.44 is: 11,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.37 : 27,222.55 = 7,610.44 : x
  2. Step 2: Convert to fraction form
    18,141.37/27,222.55 = 7,610.44/x
  3. Step 3: Cross multiply
    18,141.37x = 27,222.55 × 7,610.44
  4. Step 4: Simplify right side
    18,141.37x = 207,175,583.42
  5. Step 5: Solve for x
    x = 207,175,583.42/18,141.37
  6. Step 6: Final answer
    x = 11,420.06

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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.