Home / 18,652.07-27,982.52-6,172.09

Finding the Fourth Proportional to 18,652.07, 27,982.52 and 6,172.09

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Solution

The fourth proportional to 18,652.07, 27,982.52 and 6,172.09 is: 9,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.07 : 27,982.52 = 6,172.09 : x
  2. Step 2: Convert to fraction form
    18,652.07/27,982.52 = 6,172.09/x
  3. Step 3: Cross multiply
    18,652.07x = 27,982.52 × 6,172.09
  4. Step 4: Simplify right side
    18,652.07x = 172,710,631.87
  5. Step 5: Solve for x
    x = 172,710,631.87/18,652.07
  6. Step 6: Final answer
    x = 9,259.60

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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.