Home / 8,011.20-12,015.36-2,168.24

Finding the Fourth Proportional to 8,011.20, 12,015.36 and 2,168.24

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Solution

The fourth proportional to 8,011.20, 12,015.36 and 2,168.24 is: 3,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.20 : 12,015.36 = 2,168.24 : x
  2. Step 2: Convert to fraction form
    8,011.20/12,015.36 = 2,168.24/x
  3. Step 3: Cross multiply
    8,011.20x = 12,015.36 × 2,168.24
  4. Step 4: Simplify right side
    8,011.20x = 26,052,184.17
  5. Step 5: Solve for x
    x = 26,052,184.17/8,011.20
  6. Step 6: Final answer
    x = 3,251.97

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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.