Home / 15,480.12-23,183.28-8,449.60

Finding the Fourth Proportional to 15,480.12, 23,183.28 and 8,449.60

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Solution

The fourth proportional to 15,480.12, 23,183.28 and 8,449.60 is: 12,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.12 : 23,183.28 = 8,449.60 : x
  2. Step 2: Convert to fraction form
    15,480.12/23,183.28 = 8,449.60/x
  3. Step 3: Cross multiply
    15,480.12x = 23,183.28 × 8,449.60
  4. Step 4: Simplify right side
    15,480.12x = 195,889,442.69
  5. Step 5: Solve for x
    x = 195,889,442.69/15,480.12
  6. Step 6: Final answer
    x = 12,654.26

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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.