Home / 18,181.04-25,083.96-11,897.60

Finding the Fourth Proportional to 18,181.04, 25,083.96 and 11,897.60

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Solution

The fourth proportional to 18,181.04, 25,083.96 and 11,897.60 is: 16,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.04 : 25,083.96 = 11,897.60 : x
  2. Step 2: Convert to fraction form
    18,181.04/25,083.96 = 11,897.60/x
  3. Step 3: Cross multiply
    18,181.04x = 25,083.96 × 11,897.60
  4. Step 4: Simplify right side
    18,181.04x = 298,438,922.50
  5. Step 5: Solve for x
    x = 298,438,922.50/18,181.04
  6. Step 6: Final answer
    x = 16,414.84

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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.