Home / 18,826.72-28,231.88-6,344.42

Finding the Fourth Proportional to 18,826.72, 28,231.88 and 6,344.42

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Solution

The fourth proportional to 18,826.72, 28,231.88 and 6,344.42 is: 9,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.72 : 28,231.88 = 6,344.42 : x
  2. Step 2: Convert to fraction form
    18,826.72/28,231.88 = 6,344.42/x
  3. Step 3: Cross multiply
    18,826.72x = 28,231.88 × 6,344.42
  4. Step 4: Simplify right side
    18,826.72x = 179,114,731.23
  5. Step 5: Solve for x
    x = 179,114,731.23/18,826.72
  6. Step 6: Final answer
    x = 9,513.86

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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.