Home / 11,174.18-16,760.30-3,778.47

Finding the Fourth Proportional to 11,174.18, 16,760.30 and 3,778.47

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Solution

The fourth proportional to 11,174.18, 16,760.30 and 3,778.47 is: 5,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,174.18 : 16,760.30 = 3,778.47 : x
  2. Step 2: Convert to fraction form
    11,174.18/16,760.30 = 3,778.47/x
  3. Step 3: Cross multiply
    11,174.18x = 16,760.30 × 3,778.47
  4. Step 4: Simplify right side
    11,174.18x = 63,328,271.85
  5. Step 5: Solve for x
    x = 63,328,271.85/11,174.18
  6. Step 6: Final answer
    x = 5,667.38

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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.