Home / 12,208.08-16,847-6,618.96

Finding the Fourth Proportional to 12,208.08, 16,847 and 6,618.96

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Solution

The fourth proportional to 12,208.08, 16,847 and 6,618.96 is: 9,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.08 : 16,847 = 6,618.96 : x
  2. Step 2: Convert to fraction form
    12,208.08/16,847 = 6,618.96/x
  3. Step 3: Cross multiply
    12,208.08x = 16,847 × 6,618.96
  4. Step 4: Simplify right side
    12,208.08x = 111,509,619.12
  5. Step 5: Solve for x
    x = 111,509,619.12/12,208.08
  6. Step 6: Final answer
    x = 9,134.08

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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.