Home / 11,484.83-17,231.54-7,821.60

Finding the Fourth Proportional to 11,484.83, 17,231.54 and 7,821.60

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Solution

The fourth proportional to 11,484.83, 17,231.54 and 7,821.60 is: 11,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.83 : 17,231.54 = 7,821.60 : x
  2. Step 2: Convert to fraction form
    11,484.83/17,231.54 = 7,821.60/x
  3. Step 3: Cross multiply
    11,484.83x = 17,231.54 × 7,821.60
  4. Step 4: Simplify right side
    11,484.83x = 134,778,174.16
  5. Step 5: Solve for x
    x = 134,778,174.16/11,484.83
  6. Step 6: Final answer
    x = 11,735.33

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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.