Home / 11,249.28-15,498.54-8,100

Finding the Fourth Proportional to 11,249.28, 15,498.54 and 8,100

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Solution

The fourth proportional to 11,249.28, 15,498.54 and 8,100 is: 11,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.28 : 15,498.54 = 8,100 : x
  2. Step 2: Convert to fraction form
    11,249.28/15,498.54 = 8,100/x
  3. Step 3: Cross multiply
    11,249.28x = 15,498.54 × 8,100
  4. Step 4: Simplify right side
    11,249.28x = 125,538,174
  5. Step 5: Solve for x
    x = 125,538,174/11,249.28
  6. Step 6: Final answer
    x = 11,159.66

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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.