Home / 21,199.43-29,253.75-11,767.25

Finding the Fourth Proportional to 21,199.43, 29,253.75 and 11,767.25

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Solution

The fourth proportional to 21,199.43, 29,253.75 and 11,767.25 is: 16,237.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199.43 : 29,253.75 = 11,767.25 : x
  2. Step 2: Convert to fraction form
    21,199.43/29,253.75 = 11,767.25/x
  3. Step 3: Cross multiply
    21,199.43x = 29,253.75 × 11,767.25
  4. Step 4: Simplify right side
    21,199.43x = 344,236,189.69
  5. Step 5: Solve for x
    x = 344,236,189.69/21,199.43
  6. Step 6: Final answer
    x = 16,237.99

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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.