Home / 11,153.35-16,727.40-3,253.81

Finding the Fourth Proportional to 11,153.35, 16,727.40 and 3,253.81

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Solution

The fourth proportional to 11,153.35, 16,727.40 and 3,253.81 is: 4,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.35 : 16,727.40 = 3,253.81 : x
  2. Step 2: Convert to fraction form
    11,153.35/16,727.40 = 3,253.81/x
  3. Step 3: Cross multiply
    11,153.35x = 16,727.40 × 3,253.81
  4. Step 4: Simplify right side
    11,153.35x = 54,427,781.39
  5. Step 5: Solve for x
    x = 54,427,781.39/11,153.35
  6. Step 6: Final answer
    x = 4,879.95

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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.