Home / 21,945.64-32,921.58-8,093.56

Finding the Fourth Proportional to 21,945.64, 32,921.58 and 8,093.56

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Solution

The fourth proportional to 21,945.64, 32,921.58 and 8,093.56 is: 12,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.64 : 32,921.58 = 8,093.56 : x
  2. Step 2: Convert to fraction form
    21,945.64/32,921.58 = 8,093.56/x
  3. Step 3: Cross multiply
    21,945.64x = 32,921.58 × 8,093.56
  4. Step 4: Simplify right side
    21,945.64x = 266,452,783.02
  5. Step 5: Solve for x
    x = 266,452,783.02/21,945.64
  6. Step 6: Final answer
    x = 12,141.49

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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.