Home / 10,949.64-16,425.33-4,372.21

Finding the Fourth Proportional to 10,949.64, 16,425.33 and 4,372.21

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Solution

The fourth proportional to 10,949.64, 16,425.33 and 4,372.21 is: 6,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.64 : 16,425.33 = 4,372.21 : x
  2. Step 2: Convert to fraction form
    10,949.64/16,425.33 = 4,372.21/x
  3. Step 3: Cross multiply
    10,949.64x = 16,425.33 × 4,372.21
  4. Step 4: Simplify right side
    10,949.64x = 71,814,992.08
  5. Step 5: Solve for x
    x = 71,814,992.08/10,949.64
  6. Step 6: Final answer
    x = 6,558.66

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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.