Home / 11,028.13-15,219.67-6,249.23

Finding the Fourth Proportional to 11,028.13, 15,219.67 and 6,249.23

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Solution

The fourth proportional to 11,028.13, 15,219.67 and 6,249.23 is: 8,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.13 : 15,219.67 = 6,249.23 : x
  2. Step 2: Convert to fraction form
    11,028.13/15,219.67 = 6,249.23/x
  3. Step 3: Cross multiply
    11,028.13x = 15,219.67 × 6,249.23
  4. Step 4: Simplify right side
    11,028.13x = 95,111,240.78
  5. Step 5: Solve for x
    x = 95,111,240.78/11,028.13
  6. Step 6: Final answer
    x = 8,624.42

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Double scale
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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.