Home / 12,468.96-17,206.32-6,879.20

Finding the Fourth Proportional to 12,468.96, 17,206.32 and 6,879.20

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Solution

The fourth proportional to 12,468.96, 17,206.32 and 6,879.20 is: 9,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.96 : 17,206.32 = 6,879.20 : x
  2. Step 2: Convert to fraction form
    12,468.96/17,206.32 = 6,879.20/x
  3. Step 3: Cross multiply
    12,468.96x = 17,206.32 × 6,879.20
  4. Step 4: Simplify right side
    12,468.96x = 118,365,716.54
  5. Step 5: Solve for x
    x = 118,365,716.54/12,468.96
  6. Step 6: Final answer
    x = 9,492.83

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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.