Home / 18,627.30-27,945.36-6,147.60

Finding the Fourth Proportional to 18,627.30, 27,945.36 and 6,147.60

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Solution

The fourth proportional to 18,627.30, 27,945.36 and 6,147.60 is: 9,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.30 : 27,945.36 = 6,147.60 : x
  2. Step 2: Convert to fraction form
    18,627.30/27,945.36 = 6,147.60/x
  3. Step 3: Cross multiply
    18,627.30x = 27,945.36 × 6,147.60
  4. Step 4: Simplify right side
    18,627.30x = 171,796,895.14
  5. Step 5: Solve for x
    x = 171,796,895.14/18,627.30
  6. Step 6: Final answer
    x = 9,222.86

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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.