Home / 21,884.27-30,200.47-12,453.44

Finding the Fourth Proportional to 21,884.27, 30,200.47 and 12,453.44

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Solution

The fourth proportional to 21,884.27, 30,200.47 and 12,453.44 is: 17,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,884.27 : 30,200.47 = 12,453.44 : x
  2. Step 2: Convert to fraction form
    21,884.27/30,200.47 = 12,453.44/x
  3. Step 3: Cross multiply
    21,884.27x = 30,200.47 × 12,453.44
  4. Step 4: Simplify right side
    21,884.27x = 376,099,741.12
  5. Step 5: Solve for x
    x = 376,099,741.12/21,884.27
  6. Step 6: Final answer
    x = 17,185.85

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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.