Home / 11,919.84-17,885.16-6,076.80

Finding the Fourth Proportional to 11,919.84, 17,885.16 and 6,076.80

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Solution

The fourth proportional to 11,919.84, 17,885.16 and 6,076.80 is: 9,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.84 : 17,885.16 = 6,076.80 : x
  2. Step 2: Convert to fraction form
    11,919.84/17,885.16 = 6,076.80/x
  3. Step 3: Cross multiply
    11,919.84x = 17,885.16 × 6,076.80
  4. Step 4: Simplify right side
    11,919.84x = 108,684,540.29
  5. Step 5: Solve for x
    x = 108,684,540.29/11,919.84
  6. Step 6: Final answer
    x = 9,117.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.