Home / 11,228.84-16,845.72-3,438.26

Finding the Fourth Proportional to 11,228.84, 16,845.72 and 3,438.26

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Solution

The fourth proportional to 11,228.84, 16,845.72 and 3,438.26 is: 5,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.84 : 16,845.72 = 3,438.26 : x
  2. Step 2: Convert to fraction form
    11,228.84/16,845.72 = 3,438.26/x
  3. Step 3: Cross multiply
    11,228.84x = 16,845.72 × 3,438.26
  4. Step 4: Simplify right side
    11,228.84x = 57,919,965.25
  5. Step 5: Solve for x
    x = 57,919,965.25/11,228.84
  6. Step 6: Final answer
    x = 5,158.14

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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.