Home / 19,621.50-27,077.94-11,238

Finding the Fourth Proportional to 19,621.50, 27,077.94 and 11,238

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Solution

The fourth proportional to 19,621.50, 27,077.94 and 11,238 is: 15,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.50 : 27,077.94 = 11,238 : x
  2. Step 2: Convert to fraction form
    19,621.50/27,077.94 = 11,238/x
  3. Step 3: Cross multiply
    19,621.50x = 27,077.94 × 11,238
  4. Step 4: Simplify right side
    19,621.50x = 304,301,889.72
  5. Step 5: Solve for x
    x = 304,301,889.72/19,621.50
  6. Step 6: Final answer
    x = 15,508.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.