Home / 11,086.53-16,636.44-4,421.85

Finding the Fourth Proportional to 11,086.53, 16,636.44 and 4,421.85

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Solution

The fourth proportional to 11,086.53, 16,636.44 and 4,421.85 is: 6,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.53 : 16,636.44 = 4,421.85 : x
  2. Step 2: Convert to fraction form
    11,086.53/16,636.44 = 4,421.85/x
  3. Step 3: Cross multiply
    11,086.53x = 16,636.44 × 4,421.85
  4. Step 4: Simplify right side
    11,086.53x = 73,563,842.21
  5. Step 5: Solve for x
    x = 73,563,842.21/11,086.53
  6. Step 6: Final answer
    x = 6,635.43

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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.