Home / 8,014.72-12,020.61-2,171.80

Finding the Fourth Proportional to 8,014.72, 12,020.61 and 2,171.80

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Solution

The fourth proportional to 8,014.72, 12,020.61 and 2,171.80 is: 3,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.72 : 12,020.61 = 2,171.80 : x
  2. Step 2: Convert to fraction form
    8,014.72/12,020.61 = 2,171.80/x
  3. Step 3: Cross multiply
    8,014.72x = 12,020.61 × 2,171.80
  4. Step 4: Simplify right side
    8,014.72x = 26,106,360.80
  5. Step 5: Solve for x
    x = 26,106,360.80/8,014.72
  6. Step 6: Final answer
    x = 3,257.30

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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.