Home / 10,485.55-15,729.42-3,367.99

Finding the Fourth Proportional to 10,485.55, 15,729.42 and 3,367.99

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Solution

The fourth proportional to 10,485.55, 15,729.42 and 3,367.99 is: 5,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.55 : 15,729.42 = 3,367.99 : x
  2. Step 2: Convert to fraction form
    10,485.55/15,729.42 = 3,367.99/x
  3. Step 3: Cross multiply
    10,485.55x = 15,729.42 × 3,367.99
  4. Step 4: Simplify right side
    10,485.55x = 52,976,512.43
  5. Step 5: Solve for x
    x = 52,976,512.43/10,485.55
  6. Step 6: Final answer
    x = 5,052.34

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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.