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Finding the Fourth Proportional to 11,573.99, 17,361.80 and 5,729.03

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Solution

The fourth proportional to 11,573.99, 17,361.80 and 5,729.03 is: 8,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.99 : 17,361.80 = 5,729.03 : x
  2. Step 2: Convert to fraction form
    11,573.99/17,361.80 = 5,729.03/x
  3. Step 3: Cross multiply
    11,573.99x = 17,361.80 × 5,729.03
  4. Step 4: Simplify right side
    11,573.99x = 99,466,273.05
  5. Step 5: Solve for x
    x = 99,466,273.05/11,573.99
  6. Step 6: Final answer
    x = 8,593.95

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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.