Home / 11,576.21-17,360.66-3,783.20

Finding the Fourth Proportional to 11,576.21, 17,360.66 and 3,783.20

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Solution

The fourth proportional to 11,576.21, 17,360.66 and 3,783.20 is: 5,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.21 : 17,360.66 = 3,783.20 : x
  2. Step 2: Convert to fraction form
    11,576.21/17,360.66 = 3,783.20/x
  3. Step 3: Cross multiply
    11,576.21x = 17,360.66 × 3,783.20
  4. Step 4: Simplify right side
    11,576.21x = 65,678,743.19
  5. Step 5: Solve for x
    x = 65,678,743.19/11,576.21
  6. Step 6: Final answer
    x = 5,673.60

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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.