Home / 12,206.50-16,844.97-6,617.50

Finding the Fourth Proportional to 12,206.50, 16,844.97 and 6,617.50

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Solution

The fourth proportional to 12,206.50, 16,844.97 and 6,617.50 is: 9,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.50 : 16,844.97 = 6,617.50 : x
  2. Step 2: Convert to fraction form
    12,206.50/16,844.97 = 6,617.50/x
  3. Step 3: Cross multiply
    12,206.50x = 16,844.97 × 6,617.50
  4. Step 4: Simplify right side
    12,206.50x = 111,471,588.98
  5. Step 5: Solve for x
    x = 111,471,588.98/12,206.50
  6. Step 6: Final answer
    x = 9,132.15

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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.