Home / 11,425.20-17,141.48-4,857

Finding the Fourth Proportional to 11,425.20, 17,141.48 and 4,857

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Solution

The fourth proportional to 11,425.20, 17,141.48 and 4,857 is: 7,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.20 : 17,141.48 = 4,857 : x
  2. Step 2: Convert to fraction form
    11,425.20/17,141.48 = 4,857/x
  3. Step 3: Cross multiply
    11,425.20x = 17,141.48 × 4,857
  4. Step 4: Simplify right side
    11,425.20x = 83,256,168.36
  5. Step 5: Solve for x
    x = 83,256,168.36/11,425.20
  6. Step 6: Final answer
    x = 7,287.06

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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.