Home / 12,305.94-16,982.25-6,717.06

Finding the Fourth Proportional to 12,305.94, 16,982.25 and 6,717.06

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Solution

The fourth proportional to 12,305.94, 16,982.25 and 6,717.06 is: 9,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.94 : 16,982.25 = 6,717.06 : x
  2. Step 2: Convert to fraction form
    12,305.94/16,982.25 = 6,717.06/x
  3. Step 3: Cross multiply
    12,305.94x = 16,982.25 × 6,717.06
  4. Step 4: Simplify right side
    12,305.94x = 114,070,792.19
  5. Step 5: Solve for x
    x = 114,070,792.19/12,305.94
  6. Step 6: Final answer
    x = 9,269.57

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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.