Home / 11,677.28-17,515.88-3,469.28

Finding the Fourth Proportional to 11,677.28, 17,515.88 and 3,469.28

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Solution

The fourth proportional to 11,677.28, 17,515.88 and 3,469.28 is: 5,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.28 : 17,515.88 = 3,469.28 : x
  2. Step 2: Convert to fraction form
    11,677.28/17,515.88 = 3,469.28/x
  3. Step 3: Cross multiply
    11,677.28x = 17,515.88 × 3,469.28
  4. Step 4: Simplify right side
    11,677.28x = 60,767,492.17
  5. Step 5: Solve for x
    x = 60,767,492.17/11,677.28
  6. Step 6: Final answer
    x = 5,203.91

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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.