Home / 12,197.28-16,832.96-6,892.80

Finding the Fourth Proportional to 12,197.28, 16,832.96 and 6,892.80

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Solution

The fourth proportional to 12,197.28, 16,832.96 and 6,892.80 is: 9,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.28 : 16,832.96 = 6,892.80 : x
  2. Step 2: Convert to fraction form
    12,197.28/16,832.96 = 6,892.80/x
  3. Step 3: Cross multiply
    12,197.28x = 16,832.96 × 6,892.80
  4. Step 4: Simplify right side
    12,197.28x = 116,026,226.69
  5. Step 5: Solve for x
    x = 116,026,226.69/12,197.28
  6. Step 6: Final answer
    x = 9,512.47

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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.