Home / 20,264.63-27,969.86-11,883.83

Finding the Fourth Proportional to 20,264.63, 27,969.86 and 11,883.83

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Solution

The fourth proportional to 20,264.63, 27,969.86 and 11,883.83 is: 16,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.63 : 27,969.86 = 11,883.83 : x
  2. Step 2: Convert to fraction form
    20,264.63/27,969.86 = 11,883.83/x
  3. Step 3: Cross multiply
    20,264.63x = 27,969.86 × 11,883.83
  4. Step 4: Simplify right side
    20,264.63x = 332,389,061.36
  5. Step 5: Solve for x
    x = 332,389,061.36/20,264.63
  6. Step 6: Final answer
    x = 16,402.42

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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.