Home / 8,011.06-12,015.78-2,168.26

Finding the Fourth Proportional to 8,011.06, 12,015.78 and 2,168.26

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Solution

The fourth proportional to 8,011.06, 12,015.78 and 2,168.26 is: 3,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.06 : 12,015.78 = 2,168.26 : x
  2. Step 2: Convert to fraction form
    8,011.06/12,015.78 = 2,168.26/x
  3. Step 3: Cross multiply
    8,011.06x = 12,015.78 × 2,168.26
  4. Step 4: Simplify right side
    8,011.06x = 26,053,335.14
  5. Step 5: Solve for x
    x = 26,053,335.14/8,011.06
  6. Step 6: Final answer
    x = 3,252.17

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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.