Home / 11,454.20-17,181.30-5,622.20

Finding the Fourth Proportional to 11,454.20, 17,181.30 and 5,622.20

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Solution

The fourth proportional to 11,454.20, 17,181.30 and 5,622.20 is: 8,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.20 : 17,181.30 = 5,622.20 : x
  2. Step 2: Convert to fraction form
    11,454.20/17,181.30 = 5,622.20/x
  3. Step 3: Cross multiply
    11,454.20x = 17,181.30 × 5,622.20
  4. Step 4: Simplify right side
    11,454.20x = 96,596,704.86
  5. Step 5: Solve for x
    x = 96,596,704.86/11,454.20
  6. Step 6: Final answer
    x = 8,433.30

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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.