Home / 11,154.25-16,733.81-4,228.75

Finding the Fourth Proportional to 11,154.25, 16,733.81 and 4,228.75

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Solution

The fourth proportional to 11,154.25, 16,733.81 and 4,228.75 is: 6,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.25 : 16,733.81 = 4,228.75 : x
  2. Step 2: Convert to fraction form
    11,154.25/16,733.81 = 4,228.75/x
  3. Step 3: Cross multiply
    11,154.25x = 16,733.81 × 4,228.75
  4. Step 4: Simplify right side
    11,154.25x = 70,763,099.04
  5. Step 5: Solve for x
    x = 70,763,099.04/11,154.25
  6. Step 6: Final answer
    x = 6,344.05

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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.