Home / 12,242.20-16,893.60-6,936.88

Finding the Fourth Proportional to 12,242.20, 16,893.60 and 6,936.88

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Solution

The fourth proportional to 12,242.20, 16,893.60 and 6,936.88 is: 9,572.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.20 : 16,893.60 = 6,936.88 : x
  2. Step 2: Convert to fraction form
    12,242.20/16,893.60 = 6,936.88/x
  3. Step 3: Cross multiply
    12,242.20x = 16,893.60 × 6,936.88
  4. Step 4: Simplify right side
    12,242.20x = 117,188,875.97
  5. Step 5: Solve for x
    x = 117,188,875.97/12,242.20
  6. Step 6: Final answer
    x = 9,572.53

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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.