Home / 10,489.58-15,728.94-3,093.09

Finding the Fourth Proportional to 10,489.58, 15,728.94 and 3,093.09

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Solution

The fourth proportional to 10,489.58, 15,728.94 and 3,093.09 is: 4,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.58 : 15,728.94 = 3,093.09 : x
  2. Step 2: Convert to fraction form
    10,489.58/15,728.94 = 3,093.09/x
  3. Step 3: Cross multiply
    10,489.58x = 15,728.94 × 3,093.09
  4. Step 4: Simplify right side
    10,489.58x = 48,651,074.08
  5. Step 5: Solve for x
    x = 48,651,074.08/10,489.58
  6. Step 6: Final answer
    x = 4,638.04

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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.