Home / 23,418.88-32,321.03-13,350.94

Finding the Fourth Proportional to 23,418.88, 32,321.03 and 13,350.94

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Solution

The fourth proportional to 23,418.88, 32,321.03 and 13,350.94 is: 18,425.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,418.88 : 32,321.03 = 13,350.94 : x
  2. Step 2: Convert to fraction form
    23,418.88/32,321.03 = 13,350.94/x
  3. Step 3: Cross multiply
    23,418.88x = 32,321.03 × 13,350.94
  4. Step 4: Simplify right side
    23,418.88x = 431,515,984.71
  5. Step 5: Solve for x
    x = 431,515,984.71/23,418.88
  6. Step 6: Final answer
    x = 18,425.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.