Home / 11,576.43-15,975.36-6,271.16

Finding the Fourth Proportional to 11,576.43, 15,975.36 and 6,271.16

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Solution

The fourth proportional to 11,576.43, 15,975.36 and 6,271.16 is: 8,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.43 : 15,975.36 = 6,271.16 : x
  2. Step 2: Convert to fraction form
    11,576.43/15,975.36 = 6,271.16/x
  3. Step 3: Cross multiply
    11,576.43x = 15,975.36 × 6,271.16
  4. Step 4: Simplify right side
    11,576.43x = 100,183,958.74
  5. Step 5: Solve for x
    x = 100,183,958.74/11,576.43
  6. Step 6: Final answer
    x = 8,654.13

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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.