Home / 11,451.11-17,181.61-6,185.08

Finding the Fourth Proportional to 11,451.11, 17,181.61 and 6,185.08

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Solution

The fourth proportional to 11,451.11, 17,181.61 and 6,185.08 is: 9,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.11 : 17,181.61 = 6,185.08 : x
  2. Step 2: Convert to fraction form
    11,451.11/17,181.61 = 6,185.08/x
  3. Step 3: Cross multiply
    11,451.11x = 17,181.61 × 6,185.08
  4. Step 4: Simplify right side
    11,451.11x = 106,269,632.38
  5. Step 5: Solve for x
    x = 106,269,632.38/11,451.11
  6. Step 6: Final answer
    x = 9,280.29

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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.