Home / 14,511.70-21,731.10-10,793.80

Finding the Fourth Proportional to 14,511.70, 21,731.10 and 10,793.80

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Solution

The fourth proportional to 14,511.70, 21,731.10 and 10,793.80 is: 16,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.70 : 21,731.10 = 10,793.80 : x
  2. Step 2: Convert to fraction form
    14,511.70/21,731.10 = 10,793.80/x
  3. Step 3: Cross multiply
    14,511.70x = 21,731.10 × 10,793.80
  4. Step 4: Simplify right side
    14,511.70x = 234,561,147.18
  5. Step 5: Solve for x
    x = 234,561,147.18/14,511.70
  6. Step 6: Final answer
    x = 16,163.59

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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.