Home / 11,352.75-17,031.35-3,957.45

Finding the Fourth Proportional to 11,352.75, 17,031.35 and 3,957.45

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Solution

The fourth proportional to 11,352.75, 17,031.35 and 3,957.45 is: 5,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.75 : 17,031.35 = 3,957.45 : x
  2. Step 2: Convert to fraction form
    11,352.75/17,031.35 = 3,957.45/x
  3. Step 3: Cross multiply
    11,352.75x = 17,031.35 × 3,957.45
  4. Step 4: Simplify right side
    11,352.75x = 67,400,716.06
  5. Step 5: Solve for x
    x = 67,400,716.06/11,352.75
  6. Step 6: Final answer
    x = 5,936.95

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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.