Home / 21,704.56-32,534.64-12,324.76

Finding the Fourth Proportional to 21,704.56, 32,534.64 and 12,324.76

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Solution

The fourth proportional to 21,704.56, 32,534.64 and 12,324.76 is: 18,474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.56 : 32,534.64 = 12,324.76 : x
  2. Step 2: Convert to fraction form
    21,704.56/32,534.64 = 12,324.76/x
  3. Step 3: Cross multiply
    21,704.56x = 32,534.64 × 12,324.76
  4. Step 4: Simplify right side
    21,704.56x = 400,981,629.69
  5. Step 5: Solve for x
    x = 400,981,629.69/21,704.56
  6. Step 6: Final answer
    x = 18,474.53

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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.