Home / 8,011.49-12,015.41-2,168.55

Finding the Fourth Proportional to 8,011.49, 12,015.41 and 2,168.55

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Solution

The fourth proportional to 8,011.49, 12,015.41 and 2,168.55 is: 3,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.49 : 12,015.41 = 2,168.55 : x
  2. Step 2: Convert to fraction form
    8,011.49/12,015.41 = 2,168.55/x
  3. Step 3: Cross multiply
    8,011.49x = 12,015.41 × 2,168.55
  4. Step 4: Simplify right side
    8,011.49x = 26,056,006.51
  5. Step 5: Solve for x
    x = 26,056,006.51/8,011.49
  6. Step 6: Final answer
    x = 3,252.33

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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.