Home / 21,354.48-29,469.65-11,923.02

Finding the Fourth Proportional to 21,354.48, 29,469.65 and 11,923.02

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Solution

The fourth proportional to 21,354.48, 29,469.65 and 11,923.02 is: 16,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,354.48 : 29,469.65 = 11,923.02 : x
  2. Step 2: Convert to fraction form
    21,354.48/29,469.65 = 11,923.02/x
  3. Step 3: Cross multiply
    21,354.48x = 29,469.65 × 11,923.02
  4. Step 4: Simplify right side
    21,354.48x = 351,367,166.73
  5. Step 5: Solve for x
    x = 351,367,166.73/21,354.48
  6. Step 6: Final answer
    x = 16,454.03

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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.