Home / 10,163.88-15,245.78-3,590.44

Finding the Fourth Proportional to 10,163.88, 15,245.78 and 3,590.44

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Solution

The fourth proportional to 10,163.88, 15,245.78 and 3,590.44 is: 5,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.88 : 15,245.78 = 3,590.44 : x
  2. Step 2: Convert to fraction form
    10,163.88/15,245.78 = 3,590.44/x
  3. Step 3: Cross multiply
    10,163.88x = 15,245.78 × 3,590.44
  4. Step 4: Simplify right side
    10,163.88x = 54,739,058.34
  5. Step 5: Solve for x
    x = 54,739,058.34/10,163.88
  6. Step 6: Final answer
    x = 5,385.65

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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.