Home / 12,133.08-16,738.61-8,768.44

Finding the Fourth Proportional to 12,133.08, 16,738.61 and 8,768.44

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Solution

The fourth proportional to 12,133.08, 16,738.61 and 8,768.44 is: 12,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.08 : 16,738.61 = 8,768.44 : x
  2. Step 2: Convert to fraction form
    12,133.08/16,738.61 = 8,768.44/x
  3. Step 3: Cross multiply
    12,133.08x = 16,738.61 × 8,768.44
  4. Step 4: Simplify right side
    12,133.08x = 146,771,497.47
  5. Step 5: Solve for x
    x = 146,771,497.47/12,133.08
  6. Step 6: Final answer
    x = 12,096.80

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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.