Home / 11,249.72-16,871.39-4,667.76

Finding the Fourth Proportional to 11,249.72, 16,871.39 and 4,667.76

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Solution

The fourth proportional to 11,249.72, 16,871.39 and 4,667.76 is: 7,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.72 : 16,871.39 = 4,667.76 : x
  2. Step 2: Convert to fraction form
    11,249.72/16,871.39 = 4,667.76/x
  3. Step 3: Cross multiply
    11,249.72x = 16,871.39 × 4,667.76
  4. Step 4: Simplify right side
    11,249.72x = 78,751,593.55
  5. Step 5: Solve for x
    x = 78,751,593.55/11,249.72
  6. Step 6: Final answer
    x = 7,000.32

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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.