Home / 21,684.33-29,924.15-11,748.33

Finding the Fourth Proportional to 21,684.33, 29,924.15 and 11,748.33

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Solution

The fourth proportional to 21,684.33, 29,924.15 and 11,748.33 is: 16,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.33 : 29,924.15 = 11,748.33 : x
  2. Step 2: Convert to fraction form
    21,684.33/29,924.15 = 11,748.33/x
  3. Step 3: Cross multiply
    21,684.33x = 29,924.15 × 11,748.33
  4. Step 4: Simplify right side
    21,684.33x = 351,558,730.43
  5. Step 5: Solve for x
    x = 351,558,730.43/21,684.33
  6. Step 6: Final answer
    x = 16,212.57

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1.5x scale

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.