Home / 15,546.72-23,282.08-8,157.44

Finding the Fourth Proportional to 15,546.72, 23,282.08 and 8,157.44

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Solution

The fourth proportional to 15,546.72, 23,282.08 and 8,157.44 is: 12,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.72 : 23,282.08 = 8,157.44 : x
  2. Step 2: Convert to fraction form
    15,546.72/23,282.08 = 8,157.44/x
  3. Step 3: Cross multiply
    15,546.72x = 23,282.08 × 8,157.44
  4. Step 4: Simplify right side
    15,546.72x = 189,922,170.68
  5. Step 5: Solve for x
    x = 189,922,170.68/15,546.72
  6. Step 6: Final answer
    x = 12,216.22

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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.