Home / 17,815.44-26,705.54-8,438.98

Finding the Fourth Proportional to 17,815.44, 26,705.54 and 8,438.98

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Solution

The fourth proportional to 17,815.44, 26,705.54 and 8,438.98 is: 12,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.44 : 26,705.54 = 8,438.98 : x
  2. Step 2: Convert to fraction form
    17,815.44/26,705.54 = 8,438.98/x
  3. Step 3: Cross multiply
    17,815.44x = 26,705.54 × 8,438.98
  4. Step 4: Simplify right side
    17,815.44x = 225,367,517.95
  5. Step 5: Solve for x
    x = 225,367,517.95/17,815.44
  6. Step 6: Final answer
    x = 12,650.12

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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.