Home / 11,516.10-17,274.42-4,121.10

Finding the Fourth Proportional to 11,516.10, 17,274.42 and 4,121.10

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Solution

The fourth proportional to 11,516.10, 17,274.42 and 4,121.10 is: 6,181.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.10 : 17,274.42 = 4,121.10 : x
  2. Step 2: Convert to fraction form
    11,516.10/17,274.42 = 4,121.10/x
  3. Step 3: Cross multiply
    11,516.10x = 17,274.42 × 4,121.10
  4. Step 4: Simplify right side
    11,516.10x = 71,189,612.26
  5. Step 5: Solve for x
    x = 71,189,612.26/11,516.10
  6. Step 6: Final answer
    x = 6,181.75

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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.