Home / 11,148.75-16,731.27-8,983.62

Finding the Fourth Proportional to 11,148.75, 16,731.27 and 8,983.62

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Solution

The fourth proportional to 11,148.75, 16,731.27 and 8,983.62 is: 13,481.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.75 : 16,731.27 = 8,983.62 : x
  2. Step 2: Convert to fraction form
    11,148.75/16,731.27 = 8,983.62/x
  3. Step 3: Cross multiply
    11,148.75x = 16,731.27 × 8,983.62
  4. Step 4: Simplify right side
    11,148.75x = 150,307,371.80
  5. Step 5: Solve for x
    x = 150,307,371.80/11,148.75
  6. Step 6: Final answer
    x = 13,481.99

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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.