Home / 12,206.08-16,844.32-6,616.96

Finding the Fourth Proportional to 12,206.08, 16,844.32 and 6,616.96

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Solution

The fourth proportional to 12,206.08, 16,844.32 and 6,616.96 is: 9,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.08 : 16,844.32 = 6,616.96 : x
  2. Step 2: Convert to fraction form
    12,206.08/16,844.32 = 6,616.96/x
  3. Step 3: Cross multiply
    12,206.08x = 16,844.32 × 6,616.96
  4. Step 4: Simplify right side
    12,206.08x = 111,458,191.67
  5. Step 5: Solve for x
    x = 111,458,191.67/12,206.08
  6. Step 6: Final answer
    x = 9,131.37

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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.