Home / 18,429.07-27,627.23-7,181.80

Finding the Fourth Proportional to 18,429.07, 27,627.23 and 7,181.80

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Solution

The fourth proportional to 18,429.07, 27,627.23 and 7,181.80 is: 10,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.07 : 27,627.23 = 7,181.80 : x
  2. Step 2: Convert to fraction form
    18,429.07/27,627.23 = 7,181.80/x
  3. Step 3: Cross multiply
    18,429.07x = 27,627.23 × 7,181.80
  4. Step 4: Simplify right side
    18,429.07x = 198,413,066.37
  5. Step 5: Solve for x
    x = 198,413,066.37/18,429.07
  6. Step 6: Final answer
    x = 10,766.31

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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.