Home / 21,233.07-29,296.88-12,849.39

Finding the Fourth Proportional to 21,233.07, 29,296.88 and 12,849.39

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Solution

The fourth proportional to 21,233.07, 29,296.88 and 12,849.39 is: 17,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.07 : 29,296.88 = 12,849.39 : x
  2. Step 2: Convert to fraction form
    21,233.07/29,296.88 = 12,849.39/x
  3. Step 3: Cross multiply
    21,233.07x = 29,296.88 × 12,849.39
  4. Step 4: Simplify right side
    21,233.07x = 376,446,972.66
  5. Step 5: Solve for x
    x = 376,446,972.66/21,233.07
  6. Step 6: Final answer
    x = 17,729.28

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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.