Home / 13,785.05-20,684.41-5,464.88

Finding the Fourth Proportional to 13,785.05, 20,684.41 and 5,464.88

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Solution

The fourth proportional to 13,785.05, 20,684.41 and 5,464.88 is: 8,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.05 : 20,684.41 = 5,464.88 : x
  2. Step 2: Convert to fraction form
    13,785.05/20,684.41 = 5,464.88/x
  3. Step 3: Cross multiply
    13,785.05x = 20,684.41 × 5,464.88
  4. Step 4: Simplify right side
    13,785.05x = 113,037,856.57
  5. Step 5: Solve for x
    x = 113,037,856.57/13,785.05
  6. Step 6: Final answer
    x = 8,200.03

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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.