Home / 18,644.31-27,970.84-6,164.33

Finding the Fourth Proportional to 18,644.31, 27,970.84 and 6,164.33

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Solution

The fourth proportional to 18,644.31, 27,970.84 and 6,164.33 is: 9,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644.31 : 27,970.84 = 6,164.33 : x
  2. Step 2: Convert to fraction form
    18,644.31/27,970.84 = 6,164.33/x
  3. Step 3: Cross multiply
    18,644.31x = 27,970.84 × 6,164.33
  4. Step 4: Simplify right side
    18,644.31x = 172,421,488.14
  5. Step 5: Solve for x
    x = 172,421,488.14/18,644.31
  6. Step 6: Final answer
    x = 9,247.94

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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.