Home / 21,051.43-29,050.83-11,619.99

Finding the Fourth Proportional to 21,051.43, 29,050.83 and 11,619.99

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Solution

The fourth proportional to 21,051.43, 29,050.83 and 11,619.99 is: 16,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.43 : 29,050.83 = 11,619.99 : x
  2. Step 2: Convert to fraction form
    21,051.43/29,050.83 = 11,619.99/x
  3. Step 3: Cross multiply
    21,051.43x = 29,050.83 × 11,619.99
  4. Step 4: Simplify right side
    21,051.43x = 337,570,354.09
  5. Step 5: Solve for x
    x = 337,570,354.09/21,051.43
  6. Step 6: Final answer
    x = 16,035.51

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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.