Home / 21,921.64-32,883.42-6,340.84

Finding the Fourth Proportional to 21,921.64, 32,883.42 and 6,340.84

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Solution

The fourth proportional to 21,921.64, 32,883.42 and 6,340.84 is: 9,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921.64 : 32,883.42 = 6,340.84 : x
  2. Step 2: Convert to fraction form
    21,921.64/32,883.42 = 6,340.84/x
  3. Step 3: Cross multiply
    21,921.64x = 32,883.42 × 6,340.84
  4. Step 4: Simplify right side
    21,921.64x = 208,508,504.87
  5. Step 5: Solve for x
    x = 208,508,504.87/21,921.64
  6. Step 6: Final answer
    x = 9,511.54

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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.