Home / 21,324.26-29,427.41-11,892.82

Finding the Fourth Proportional to 21,324.26, 29,427.41 and 11,892.82

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Solution

The fourth proportional to 21,324.26, 29,427.41 and 11,892.82 is: 16,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324.26 : 29,427.41 = 11,892.82 : x
  2. Step 2: Convert to fraction form
    21,324.26/29,427.41 = 11,892.82/x
  3. Step 3: Cross multiply
    21,324.26x = 29,427.41 × 11,892.82
  4. Step 4: Simplify right side
    21,324.26x = 349,974,683.60
  5. Step 5: Solve for x
    x = 349,974,683.60/21,324.26
  6. Step 6: Final answer
    x = 16,412.04

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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.