Home / 8,554.44-12,829.23-5,429.73

Finding the Fourth Proportional to 8,554.44, 12,829.23 and 5,429.73

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Solution

The fourth proportional to 8,554.44, 12,829.23 and 5,429.73 is: 8,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.44 : 12,829.23 = 5,429.73 : x
  2. Step 2: Convert to fraction form
    8,554.44/12,829.23 = 5,429.73/x
  3. Step 3: Cross multiply
    8,554.44x = 12,829.23 × 5,429.73
  4. Step 4: Simplify right side
    8,554.44x = 69,659,255.01
  5. Step 5: Solve for x
    x = 69,659,255.01/8,554.44
  6. Step 6: Final answer
    x = 8,143.05

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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.