Home / 11,641.32-16,063.80-6,796.20

Finding the Fourth Proportional to 11,641.32, 16,063.80 and 6,796.20

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Solution

The fourth proportional to 11,641.32, 16,063.80 and 6,796.20 is: 9,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.32 : 16,063.80 = 6,796.20 : x
  2. Step 2: Convert to fraction form
    11,641.32/16,063.80 = 6,796.20/x
  3. Step 3: Cross multiply
    11,641.32x = 16,063.80 × 6,796.20
  4. Step 4: Simplify right side
    11,641.32x = 109,172,797.56
  5. Step 5: Solve for x
    x = 109,172,797.56/11,641.32
  6. Step 6: Final answer
    x = 9,378.04

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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.