Home / 15,847.44-23,785.56-8,458.20

Finding the Fourth Proportional to 15,847.44, 23,785.56 and 8,458.20

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Solution

The fourth proportional to 15,847.44, 23,785.56 and 8,458.20 is: 12,694.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.44 : 23,785.56 = 8,458.20 : x
  2. Step 2: Convert to fraction form
    15,847.44/23,785.56 = 8,458.20/x
  3. Step 3: Cross multiply
    15,847.44x = 23,785.56 × 8,458.20
  4. Step 4: Simplify right side
    15,847.44x = 201,183,023.59
  5. Step 5: Solve for x
    x = 201,183,023.59/15,847.44
  6. Step 6: Final answer
    x = 12,694.99

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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.