Home / 12,204.30-16,839.45-7,169.34

Finding the Fourth Proportional to 12,204.30, 16,839.45 and 7,169.34

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Solution

The fourth proportional to 12,204.30, 16,839.45 and 7,169.34 is: 9,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.30 : 16,839.45 = 7,169.34 : x
  2. Step 2: Convert to fraction form
    12,204.30/16,839.45 = 7,169.34/x
  3. Step 3: Cross multiply
    12,204.30x = 16,839.45 × 7,169.34
  4. Step 4: Simplify right side
    12,204.30x = 120,727,742.46
  5. Step 5: Solve for x
    x = 120,727,742.46/12,204.30
  6. Step 6: Final answer
    x = 9,892.23

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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.