Home / 12,392.76-17,102.15-6,727.56

Finding the Fourth Proportional to 12,392.76, 17,102.15 and 6,727.56

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Solution

The fourth proportional to 12,392.76, 17,102.15 and 6,727.56 is: 9,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.76 : 17,102.15 = 6,727.56 : x
  2. Step 2: Convert to fraction form
    12,392.76/17,102.15 = 6,727.56/x
  3. Step 3: Cross multiply
    12,392.76x = 17,102.15 × 6,727.56
  4. Step 4: Simplify right side
    12,392.76x = 115,055,706.62
  5. Step 5: Solve for x
    x = 115,055,706.62/12,392.76
  6. Step 6: Final answer
    x = 9,284.11

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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.