Home / 20,086.36-27,719.32-11,134

Finding the Fourth Proportional to 20,086.36, 27,719.32 and 11,134

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Solution

The fourth proportional to 20,086.36, 27,719.32 and 11,134 is: 15,365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,086.36 : 27,719.32 = 11,134 : x
  2. Step 2: Convert to fraction form
    20,086.36/27,719.32 = 11,134/x
  3. Step 3: Cross multiply
    20,086.36x = 27,719.32 × 11,134
  4. Step 4: Simplify right side
    20,086.36x = 308,626,908.88
  5. Step 5: Solve for x
    x = 308,626,908.88/20,086.36
  6. Step 6: Final answer
    x = 15,365.00

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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.