Home / 11,872.26-17,801.81-4,857.20

Finding the Fourth Proportional to 11,872.26, 17,801.81 and 4,857.20

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Solution

The fourth proportional to 11,872.26, 17,801.81 and 4,857.20 is: 7,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.26 : 17,801.81 = 4,857.20 : x
  2. Step 2: Convert to fraction form
    11,872.26/17,801.81 = 4,857.20/x
  3. Step 3: Cross multiply
    11,872.26x = 17,801.81 × 4,857.20
  4. Step 4: Simplify right side
    11,872.26x = 86,467,008.18
  5. Step 5: Solve for x
    x = 86,467,008.18/11,872.26
  6. Step 6: Final answer
    x = 7,283.11

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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.