Home / 11,982.60-17,973.36-3,217.50

Finding the Fourth Proportional to 11,982.60, 17,973.36 and 3,217.50

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Solution

The fourth proportional to 11,982.60, 17,973.36 and 3,217.50 is: 4,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.60 : 17,973.36 = 3,217.50 : x
  2. Step 2: Convert to fraction form
    11,982.60/17,973.36 = 3,217.50/x
  3. Step 3: Cross multiply
    11,982.60x = 17,973.36 × 3,217.50
  4. Step 4: Simplify right side
    11,982.60x = 57,829,285.80
  5. Step 5: Solve for x
    x = 57,829,285.80/11,982.60
  6. Step 6: Final answer
    x = 4,826.11

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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.