Home / 8,012.22-12,016.86-2,169.30

Finding the Fourth Proportional to 8,012.22, 12,016.86 and 2,169.30

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Solution

The fourth proportional to 8,012.22, 12,016.86 and 2,169.30 is: 3,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.22 : 12,016.86 = 2,169.30 : x
  2. Step 2: Convert to fraction form
    8,012.22/12,016.86 = 2,169.30/x
  3. Step 3: Cross multiply
    8,012.22x = 12,016.86 × 2,169.30
  4. Step 4: Simplify right side
    8,012.22x = 26,068,174.40
  5. Step 5: Solve for x
    x = 26,068,174.40/8,012.22
  6. Step 6: Final answer
    x = 3,253.55

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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.