Home / 10,992.72-16,487.48-3,199.44

Finding the Fourth Proportional to 10,992.72, 16,487.48 and 3,199.44

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Solution

The fourth proportional to 10,992.72, 16,487.48 and 3,199.44 is: 4,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.72 : 16,487.48 = 3,199.44 : x
  2. Step 2: Convert to fraction form
    10,992.72/16,487.48 = 3,199.44/x
  3. Step 3: Cross multiply
    10,992.72x = 16,487.48 × 3,199.44
  4. Step 4: Simplify right side
    10,992.72x = 52,750,703.01
  5. Step 5: Solve for x
    x = 52,750,703.01/10,992.72
  6. Step 6: Final answer
    x = 4,798.69

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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.