Home / 21,063.94-29,073.84-13,101.64

Finding the Fourth Proportional to 21,063.94, 29,073.84 and 13,101.64

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Solution

The fourth proportional to 21,063.94, 29,073.84 and 13,101.64 is: 18,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.94 : 29,073.84 = 13,101.64 : x
  2. Step 2: Convert to fraction form
    21,063.94/29,073.84 = 13,101.64/x
  3. Step 3: Cross multiply
    21,063.94x = 29,073.84 × 13,101.64
  4. Step 4: Simplify right side
    21,063.94x = 380,914,985.10
  5. Step 5: Solve for x
    x = 380,914,985.10/21,063.94
  6. Step 6: Final answer
    x = 18,083.75

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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.