Home / 8,114.20-12,171.23-2,567.55

Finding the Fourth Proportional to 8,114.20, 12,171.23 and 2,567.55

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Solution

The fourth proportional to 8,114.20, 12,171.23 and 2,567.55 is: 3,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.20 : 12,171.23 = 2,567.55 : x
  2. Step 2: Convert to fraction form
    8,114.20/12,171.23 = 2,567.55/x
  3. Step 3: Cross multiply
    8,114.20x = 12,171.23 × 2,567.55
  4. Step 4: Simplify right side
    8,114.20x = 31,250,228.75
  5. Step 5: Solve for x
    x = 31,250,228.75/8,114.20
  6. Step 6: Final answer
    x = 3,851.30

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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.