Home / 11,999.21-16,553.53-6,960.50

Finding the Fourth Proportional to 11,999.21, 16,553.53 and 6,960.50

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Solution

The fourth proportional to 11,999.21, 16,553.53 and 6,960.50 is: 9,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.21 : 16,553.53 = 6,960.50 : x
  2. Step 2: Convert to fraction form
    11,999.21/16,553.53 = 6,960.50/x
  3. Step 3: Cross multiply
    11,999.21x = 16,553.53 × 6,960.50
  4. Step 4: Simplify right side
    11,999.21x = 115,220,745.40
  5. Step 5: Solve for x
    x = 115,220,745.40/11,999.21
  6. Step 6: Final answer
    x = 9,602.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.