Home / 13,982.35-20,973.53-11,511.98

Finding the Fourth Proportional to 13,982.35, 20,973.53 and 11,511.98

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Solution

The fourth proportional to 13,982.35, 20,973.53 and 11,511.98 is: 17,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.35 : 20,973.53 = 11,511.98 : x
  2. Step 2: Convert to fraction form
    13,982.35/20,973.53 = 11,511.98/x
  3. Step 3: Cross multiply
    13,982.35x = 20,973.53 × 11,511.98
  4. Step 4: Simplify right side
    13,982.35x = 241,446,857.89
  5. Step 5: Solve for x
    x = 241,446,857.89/13,982.35
  6. Step 6: Final answer
    x = 17,267.97

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1.5x scale

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.