Home / 11,122.60-16,679.85-4,456.30

Finding the Fourth Proportional to 11,122.60, 16,679.85 and 4,456.30

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Solution

The fourth proportional to 11,122.60, 16,679.85 and 4,456.30 is: 6,682.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.60 : 16,679.85 = 4,456.30 : x
  2. Step 2: Convert to fraction form
    11,122.60/16,679.85 = 4,456.30/x
  3. Step 3: Cross multiply
    11,122.60x = 16,679.85 × 4,456.30
  4. Step 4: Simplify right side
    11,122.60x = 74,330,415.56
  5. Step 5: Solve for x
    x = 74,330,415.56/11,122.60
  6. Step 6: Final answer
    x = 6,682.83

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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.