Home / 11,019.12-16,513.92-9,181.92

Finding the Fourth Proportional to 11,019.12, 16,513.92 and 9,181.92

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Solution

The fourth proportional to 11,019.12, 16,513.92 and 9,181.92 is: 13,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.12 : 16,513.92 = 9,181.92 : x
  2. Step 2: Convert to fraction form
    11,019.12/16,513.92 = 9,181.92/x
  3. Step 3: Cross multiply
    11,019.12x = 16,513.92 × 9,181.92
  4. Step 4: Simplify right side
    11,019.12x = 151,629,492.33
  5. Step 5: Solve for x
    x = 151,629,492.33/11,019.12
  6. Step 6: Final answer
    x = 13,760.58

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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.