Home / 20,644.22-30,956.86-6,601.52

Finding the Fourth Proportional to 20,644.22, 30,956.86 and 6,601.52

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Solution

The fourth proportional to 20,644.22, 30,956.86 and 6,601.52 is: 9,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644.22 : 30,956.86 = 6,601.52 : x
  2. Step 2: Convert to fraction form
    20,644.22/30,956.86 = 6,601.52/x
  3. Step 3: Cross multiply
    20,644.22x = 30,956.86 × 6,601.52
  4. Step 4: Simplify right side
    20,644.22x = 204,362,330.43
  5. Step 5: Solve for x
    x = 204,362,330.43/20,644.22
  6. Step 6: Final answer
    x = 9,899.25

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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.