Home / 9,220.08-13,815.24-5,520.54

Finding the Fourth Proportional to 9,220.08, 13,815.24 and 5,520.54

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Solution

The fourth proportional to 9,220.08, 13,815.24 and 5,520.54 is: 8,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.08 : 13,815.24 = 5,520.54 : x
  2. Step 2: Convert to fraction form
    9,220.08/13,815.24 = 5,520.54/x
  3. Step 3: Cross multiply
    9,220.08x = 13,815.24 × 5,520.54
  4. Step 4: Simplify right side
    9,220.08x = 76,267,585.03
  5. Step 5: Solve for x
    x = 76,267,585.03/9,220.08
  6. Step 6: Final answer
    x = 8,271.90

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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.