Home / 11,451.28-17,186.34-4,884.88

Finding the Fourth Proportional to 11,451.28, 17,186.34 and 4,884.88

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Solution

The fourth proportional to 11,451.28, 17,186.34 and 4,884.88 is: 7,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.28 : 17,186.34 = 4,884.88 : x
  2. Step 2: Convert to fraction form
    11,451.28/17,186.34 = 4,884.88/x
  3. Step 3: Cross multiply
    11,451.28x = 17,186.34 × 4,884.88
  4. Step 4: Simplify right side
    11,451.28x = 83,953,208.54
  5. Step 5: Solve for x
    x = 83,953,208.54/11,451.28
  6. Step 6: Final answer
    x = 7,331.34

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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.