Home / 20,146.32-30,198.60-14,585.94

Finding the Fourth Proportional to 20,146.32, 30,198.60 and 14,585.94

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Solution

The fourth proportional to 20,146.32, 30,198.60 and 14,585.94 is: 21,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.32 : 30,198.60 = 14,585.94 : x
  2. Step 2: Convert to fraction form
    20,146.32/30,198.60 = 14,585.94/x
  3. Step 3: Cross multiply
    20,146.32x = 30,198.60 × 14,585.94
  4. Step 4: Simplify right side
    20,146.32x = 440,474,967.68
  5. Step 5: Solve for x
    x = 440,474,967.68/20,146.32
  6. Step 6: Final answer
    x = 21,863.79

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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.