Home / 11,634.28-16,056.30-6,921.16

Finding the Fourth Proportional to 11,634.28, 16,056.30 and 6,921.16

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Solution

The fourth proportional to 11,634.28, 16,056.30 and 6,921.16 is: 9,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,634.28 : 16,056.30 = 6,921.16 : x
  2. Step 2: Convert to fraction form
    11,634.28/16,056.30 = 6,921.16/x
  3. Step 3: Cross multiply
    11,634.28x = 16,056.30 × 6,921.16
  4. Step 4: Simplify right side
    11,634.28x = 111,128,221.31
  5. Step 5: Solve for x
    x = 111,128,221.31/11,634.28
  6. Step 6: Final answer
    x = 9,551.79

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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.