Home / 13,815.46-20,727.24-4,455.29

Finding the Fourth Proportional to 13,815.46, 20,727.24 and 4,455.29

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Solution

The fourth proportional to 13,815.46, 20,727.24 and 4,455.29 is: 6,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815.46 : 20,727.24 = 4,455.29 : x
  2. Step 2: Convert to fraction form
    13,815.46/20,727.24 = 4,455.29/x
  3. Step 3: Cross multiply
    13,815.46x = 20,727.24 × 4,455.29
  4. Step 4: Simplify right side
    13,815.46x = 92,345,865.10
  5. Step 5: Solve for x
    x = 92,345,865.10/13,815.46
  6. Step 6: Final answer
    x = 6,684.24

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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.