Home / 18,623.53-27,942.87-11,967.49

Finding the Fourth Proportional to 18,623.53, 27,942.87 and 11,967.49

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Solution

The fourth proportional to 18,623.53, 27,942.87 and 11,967.49 is: 17,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.53 : 27,942.87 = 11,967.49 : x
  2. Step 2: Convert to fraction form
    18,623.53/27,942.87 = 11,967.49/x
  3. Step 3: Cross multiply
    18,623.53x = 27,942.87 × 11,967.49
  4. Step 4: Simplify right side
    18,623.53x = 334,406,017.30
  5. Step 5: Solve for x
    x = 334,406,017.30/18,623.53
  6. Step 6: Final answer
    x = 17,956.10

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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.