Home / 10,645.83-15,968.75-3,249.89

Finding the Fourth Proportional to 10,645.83, 15,968.75 and 3,249.89

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Solution

The fourth proportional to 10,645.83, 15,968.75 and 3,249.89 is: 4,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.83 : 15,968.75 = 3,249.89 : x
  2. Step 2: Convert to fraction form
    10,645.83/15,968.75 = 3,249.89/x
  3. Step 3: Cross multiply
    10,645.83x = 15,968.75 × 3,249.89
  4. Step 4: Simplify right side
    10,645.83x = 51,896,644.73
  5. Step 5: Solve for x
    x = 51,896,644.73/10,645.83
  6. Step 6: Final answer
    x = 4,874.83

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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.