Home / 21,738.73-32,604.24-9,889.75

Finding the Fourth Proportional to 21,738.73, 32,604.24 and 9,889.75

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Solution

The fourth proportional to 21,738.73, 32,604.24 and 9,889.75 is: 14,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.73 : 32,604.24 = 9,889.75 : x
  2. Step 2: Convert to fraction form
    21,738.73/32,604.24 = 9,889.75/x
  3. Step 3: Cross multiply
    21,738.73x = 32,604.24 × 9,889.75
  4. Step 4: Simplify right side
    21,738.73x = 322,447,782.54
  5. Step 5: Solve for x
    x = 322,447,782.54/21,738.73
  6. Step 6: Final answer
    x = 14,832.87

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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.