Home / 11,229.50-16,837.77-4,989.50

Finding the Fourth Proportional to 11,229.50, 16,837.77 and 4,989.50

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Solution

The fourth proportional to 11,229.50, 16,837.77 and 4,989.50 is: 7,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.50 : 16,837.77 = 4,989.50 : x
  2. Step 2: Convert to fraction form
    11,229.50/16,837.77 = 4,989.50/x
  3. Step 3: Cross multiply
    11,229.50x = 16,837.77 × 4,989.50
  4. Step 4: Simplify right side
    11,229.50x = 84,012,053.42
  5. Step 5: Solve for x
    x = 84,012,053.42/11,229.50
  6. Step 6: Final answer
    x = 7,481.37

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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.