Home / 12,144.84-16,760.61-8,104.74

Finding the Fourth Proportional to 12,144.84, 16,760.61 and 8,104.74

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Solution

The fourth proportional to 12,144.84, 16,760.61 and 8,104.74 is: 11,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144.84 : 16,760.61 = 8,104.74 : x
  2. Step 2: Convert to fraction form
    12,144.84/16,760.61 = 8,104.74/x
  3. Step 3: Cross multiply
    12,144.84x = 16,760.61 × 8,104.74
  4. Step 4: Simplify right side
    12,144.84x = 135,840,386.29
  5. Step 5: Solve for x
    x = 135,840,386.29/12,144.84
  6. Step 6: Final answer
    x = 11,185.03

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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.