Home / 11,028.50-15,219.14-5,992.80

Finding the Fourth Proportional to 11,028.50, 15,219.14 and 5,992.80

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Solution

The fourth proportional to 11,028.50, 15,219.14 and 5,992.80 is: 8,269.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.50 : 15,219.14 = 5,992.80 : x
  2. Step 2: Convert to fraction form
    11,028.50/15,219.14 = 5,992.80/x
  3. Step 3: Cross multiply
    11,028.50x = 15,219.14 × 5,992.80
  4. Step 4: Simplify right side
    11,028.50x = 91,205,262.19
  5. Step 5: Solve for x
    x = 91,205,262.19/11,028.50
  6. Step 6: Final answer
    x = 8,269.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.