Home / 12,392.85-17,102.49-6,727.96

Finding the Fourth Proportional to 12,392.85, 17,102.49 and 6,727.96

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Solution

The fourth proportional to 12,392.85, 17,102.49 and 6,727.96 is: 9,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.85 : 17,102.49 = 6,727.96 : x
  2. Step 2: Convert to fraction form
    12,392.85/17,102.49 = 6,727.96/x
  3. Step 3: Cross multiply
    12,392.85x = 17,102.49 × 6,727.96
  4. Step 4: Simplify right side
    12,392.85x = 115,064,902.61
  5. Step 5: Solve for x
    x = 115,064,902.61/12,392.85
  6. Step 6: Final answer
    x = 9,284.78

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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.