Home / 17,998.12-26,997.20-4,851.80

Finding the Fourth Proportional to 17,998.12, 26,997.20 and 4,851.80

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Solution

The fourth proportional to 17,998.12, 26,997.20 and 4,851.80 is: 7,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.12 : 26,997.20 = 4,851.80 : x
  2. Step 2: Convert to fraction form
    17,998.12/26,997.20 = 4,851.80/x
  3. Step 3: Cross multiply
    17,998.12x = 26,997.20 × 4,851.80
  4. Step 4: Simplify right side
    17,998.12x = 130,985,014.96
  5. Step 5: Solve for x
    x = 130,985,014.96/17,998.12
  6. Step 6: Final answer
    x = 7,277.71

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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.