Home / 21,568.36-29,759.82-12,614.08

Finding the Fourth Proportional to 21,568.36, 29,759.82 and 12,614.08

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Solution

The fourth proportional to 21,568.36, 29,759.82 and 12,614.08 is: 17,404.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.36 : 29,759.82 = 12,614.08 : x
  2. Step 2: Convert to fraction form
    21,568.36/29,759.82 = 12,614.08/x
  3. Step 3: Cross multiply
    21,568.36x = 29,759.82 × 12,614.08
  4. Step 4: Simplify right side
    21,568.36x = 375,392,750.27
  5. Step 5: Solve for x
    x = 375,392,750.27/21,568.36
  6. Step 6: Final answer
    x = 17,404.79

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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.