Home / 12,242.12-16,894.26-6,936.84

Finding the Fourth Proportional to 12,242.12, 16,894.26 and 6,936.84

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Solution

The fourth proportional to 12,242.12, 16,894.26 and 6,936.84 is: 9,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.12 : 16,894.26 = 6,936.84 : x
  2. Step 2: Convert to fraction form
    12,242.12/16,894.26 = 6,936.84/x
  3. Step 3: Cross multiply
    12,242.12x = 16,894.26 × 6,936.84
  4. Step 4: Simplify right side
    12,242.12x = 117,192,778.54
  5. Step 5: Solve for x
    x = 117,192,778.54/12,242.12
  6. Step 6: Final answer
    x = 9,572.92

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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.