Home / 11,576.71-15,975.84-6,271.66

Finding the Fourth Proportional to 11,576.71, 15,975.84 and 6,271.66

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Solution

The fourth proportional to 11,576.71, 15,975.84 and 6,271.66 is: 8,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.71 : 15,975.84 = 6,271.66 : x
  2. Step 2: Convert to fraction form
    11,576.71/15,975.84 = 6,271.66/x
  3. Step 3: Cross multiply
    11,576.71x = 15,975.84 × 6,271.66
  4. Step 4: Simplify right side
    11,576.71x = 100,195,036.69
  5. Step 5: Solve for x
    x = 100,195,036.69/11,576.71
  6. Step 6: Final answer
    x = 8,654.88

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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.