Home / 11,149.09-16,708.96-6,221.05

Finding the Fourth Proportional to 11,149.09, 16,708.96 and 6,221.05

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Solution

The fourth proportional to 11,149.09, 16,708.96 and 6,221.05 is: 9,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.09 : 16,708.96 = 6,221.05 : x
  2. Step 2: Convert to fraction form
    11,149.09/16,708.96 = 6,221.05/x
  3. Step 3: Cross multiply
    11,149.09x = 16,708.96 × 6,221.05
  4. Step 4: Simplify right side
    11,149.09x = 103,947,275.61
  5. Step 5: Solve for x
    x = 103,947,275.61/11,149.09
  6. Step 6: Final answer
    x = 9,323.39

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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.