Home / 11,000.89-16,500.47-3,103.09

Finding the Fourth Proportional to 11,000.89, 16,500.47 and 3,103.09

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Solution

The fourth proportional to 11,000.89, 16,500.47 and 3,103.09 is: 4,654.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.89 : 16,500.47 = 3,103.09 : x
  2. Step 2: Convert to fraction form
    11,000.89/16,500.47 = 3,103.09/x
  3. Step 3: Cross multiply
    11,000.89x = 16,500.47 × 3,103.09
  4. Step 4: Simplify right side
    11,000.89x = 51,202,345.43
  5. Step 5: Solve for x
    x = 51,202,345.43/11,000.89
  6. Step 6: Final answer
    x = 4,654.38

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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.