Home / 12,660.44-17,471.32-6,995.57

Finding the Fourth Proportional to 12,660.44, 17,471.32 and 6,995.57

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Solution

The fourth proportional to 12,660.44, 17,471.32 and 6,995.57 is: 9,653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.44 : 17,471.32 = 6,995.57 : x
  2. Step 2: Convert to fraction form
    12,660.44/17,471.32 = 6,995.57/x
  3. Step 3: Cross multiply
    12,660.44x = 17,471.32 × 6,995.57
  4. Step 4: Simplify right side
    12,660.44x = 122,221,842.05
  5. Step 5: Solve for x
    x = 122,221,842.05/12,660.44
  6. Step 6: Final answer
    x = 9,653.84

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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.