Home / 18,253.39-25,193.82-15,264.04

Finding the Fourth Proportional to 18,253.39, 25,193.82 and 15,264.04

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Solution

The fourth proportional to 18,253.39, 25,193.82 and 15,264.04 is: 21,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.39 : 25,193.82 = 15,264.04 : x
  2. Step 2: Convert to fraction form
    18,253.39/25,193.82 = 15,264.04/x
  3. Step 3: Cross multiply
    18,253.39x = 25,193.82 × 15,264.04
  4. Step 4: Simplify right side
    18,253.39x = 384,559,476.23
  5. Step 5: Solve for x
    x = 384,559,476.23/18,253.39
  6. Step 6: Final answer
    x = 21,067.84

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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.