Home / 18,253.69-25,192.82-11,184.21

Finding the Fourth Proportional to 18,253.69, 25,192.82 and 11,184.21

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Solution

The fourth proportional to 18,253.69, 25,192.82 and 11,184.21 is: 15,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.69 : 25,192.82 = 11,184.21 : x
  2. Step 2: Convert to fraction form
    18,253.69/25,192.82 = 11,184.21/x
  3. Step 3: Cross multiply
    18,253.69x = 25,192.82 × 11,184.21
  4. Step 4: Simplify right side
    18,253.69x = 281,761,817.33
  5. Step 5: Solve for x
    x = 281,761,817.33/18,253.69
  6. Step 6: Final answer
    x = 15,435.88

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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.