Home / 11,315.97-16,974.04-6,385.35

Finding the Fourth Proportional to 11,315.97, 16,974.04 and 6,385.35

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Solution

The fourth proportional to 11,315.97, 16,974.04 and 6,385.35 is: 9,578.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.97 : 16,974.04 = 6,385.35 : x
  2. Step 2: Convert to fraction form
    11,315.97/16,974.04 = 6,385.35/x
  3. Step 3: Cross multiply
    11,315.97x = 16,974.04 × 6,385.35
  4. Step 4: Simplify right side
    11,315.97x = 108,385,170.35
  5. Step 5: Solve for x
    x = 108,385,170.35/11,315.97
  6. Step 6: Final answer
    x = 9,578.07

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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.