Home / 10,367.80-15,551.34-3,442.12

Finding the Fourth Proportional to 10,367.80, 15,551.34 and 3,442.12

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Solution

The fourth proportional to 10,367.80, 15,551.34 and 3,442.12 is: 5,163.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.80 : 15,551.34 = 3,442.12 : x
  2. Step 2: Convert to fraction form
    10,367.80/15,551.34 = 3,442.12/x
  3. Step 3: Cross multiply
    10,367.80x = 15,551.34 × 3,442.12
  4. Step 4: Simplify right side
    10,367.80x = 53,529,578.44
  5. Step 5: Solve for x
    x = 53,529,578.44/10,367.80
  6. Step 6: Final answer
    x = 5,163.06

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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.