Home / 18,721.00-25,835.11-10,222.91

Finding the Fourth Proportional to 18,721.00, 25,835.11 and 10,222.91

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Solution

The fourth proportional to 18,721.00, 25,835.11 and 10,222.91 is: 14,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721.00 : 25,835.11 = 10,222.91 : x
  2. Step 2: Convert to fraction form
    18,721.00/25,835.11 = 10,222.91/x
  3. Step 3: Cross multiply
    18,721.00x = 25,835.11 × 10,222.91
  4. Step 4: Simplify right side
    18,721.00x = 264,109,849.64
  5. Step 5: Solve for x
    x = 264,109,849.64/18,721.00
  6. Step 6: Final answer
    x = 14,107.68

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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.