Home / 11,816.28-17,728.07-5,241.92

Finding the Fourth Proportional to 11,816.28, 17,728.07 and 5,241.92

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Solution

The fourth proportional to 11,816.28, 17,728.07 and 5,241.92 is: 7,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.28 : 17,728.07 = 5,241.92 : x
  2. Step 2: Convert to fraction form
    11,816.28/17,728.07 = 5,241.92/x
  3. Step 3: Cross multiply
    11,816.28x = 17,728.07 × 5,241.92
  4. Step 4: Simplify right side
    11,816.28x = 92,929,009.84
  5. Step 5: Solve for x
    x = 92,929,009.84/11,816.28
  6. Step 6: Final answer
    x = 7,864.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.