Home / 19,844.01-29,743.29-8,142.75

Finding the Fourth Proportional to 19,844.01, 29,743.29 and 8,142.75

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Solution

The fourth proportional to 19,844.01, 29,743.29 and 8,142.75 is: 12,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.01 : 29,743.29 = 8,142.75 : x
  2. Step 2: Convert to fraction form
    19,844.01/29,743.29 = 8,142.75/x
  3. Step 3: Cross multiply
    19,844.01x = 29,743.29 × 8,142.75
  4. Step 4: Simplify right side
    19,844.01x = 242,192,174.65
  5. Step 5: Solve for x
    x = 242,192,174.65/19,844.01
  6. Step 6: Final answer
    x = 12,204.80

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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.