Home / 11,028.12-15,220.62-8,053.80

Finding the Fourth Proportional to 11,028.12, 15,220.62 and 8,053.80

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Solution

The fourth proportional to 11,028.12, 15,220.62 and 8,053.80 is: 11,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.12 : 15,220.62 = 8,053.80 : x
  2. Step 2: Convert to fraction form
    11,028.12/15,220.62 = 8,053.80/x
  3. Step 3: Cross multiply
    11,028.12x = 15,220.62 × 8,053.80
  4. Step 4: Simplify right side
    11,028.12x = 122,583,829.36
  5. Step 5: Solve for x
    x = 122,583,829.36/11,028.12
  6. Step 6: Final answer
    x = 11,115.57

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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.