Home / 12,163.74-18,251.27-11,967.18

Finding the Fourth Proportional to 12,163.74, 18,251.27 and 11,967.18

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Solution

The fourth proportional to 12,163.74, 18,251.27 and 11,967.18 is: 17,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.74 : 18,251.27 = 11,967.18 : x
  2. Step 2: Convert to fraction form
    12,163.74/18,251.27 = 11,967.18/x
  3. Step 3: Cross multiply
    12,163.74x = 18,251.27 × 11,967.18
  4. Step 4: Simplify right side
    12,163.74x = 218,416,233.32
  5. Step 5: Solve for x
    x = 218,416,233.32/12,163.74
  6. Step 6: Final answer
    x = 17,956.34

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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.