Home / 11,720.35-17,576.85-3,400.94

Finding the Fourth Proportional to 11,720.35, 17,576.85 and 3,400.94

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Solution

The fourth proportional to 11,720.35, 17,576.85 and 3,400.94 is: 5,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.35 : 17,576.85 = 3,400.94 : x
  2. Step 2: Convert to fraction form
    11,720.35/17,576.85 = 3,400.94/x
  3. Step 3: Cross multiply
    11,720.35x = 17,576.85 × 3,400.94
  4. Step 4: Simplify right side
    11,720.35x = 59,777,750.93
  5. Step 5: Solve for x
    x = 59,777,750.93/11,720.35
  6. Step 6: Final answer
    x = 5,100.34

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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.