Home / 15,900.44-21,942.50-8,826.89

Finding the Fourth Proportional to 15,900.44, 21,942.50 and 8,826.89

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Solution

The fourth proportional to 15,900.44, 21,942.50 and 8,826.89 is: 12,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.44 : 21,942.50 = 8,826.89 : x
  2. Step 2: Convert to fraction form
    15,900.44/21,942.50 = 8,826.89/x
  3. Step 3: Cross multiply
    15,900.44x = 21,942.50 × 8,826.89
  4. Step 4: Simplify right side
    15,900.44x = 193,683,879.98
  5. Step 5: Solve for x
    x = 193,683,879.98/15,900.44
  6. Step 6: Final answer
    x = 12,181.04

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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.