Home / 21,054.68-29,055.66-11,623.04

Finding the Fourth Proportional to 21,054.68, 29,055.66 and 11,623.04

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Solution

The fourth proportional to 21,054.68, 29,055.66 and 11,623.04 is: 16,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054.68 : 29,055.66 = 11,623.04 : x
  2. Step 2: Convert to fraction form
    21,054.68/29,055.66 = 11,623.04/x
  3. Step 3: Cross multiply
    21,054.68x = 29,055.66 × 11,623.04
  4. Step 4: Simplify right side
    21,054.68x = 337,715,098.41
  5. Step 5: Solve for x
    x = 337,715,098.41/21,054.68
  6. Step 6: Final answer
    x = 16,039.91

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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.