Home / 18,338.84-27,505.82-5,192.36

Finding the Fourth Proportional to 18,338.84, 27,505.82 and 5,192.36

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Solution

The fourth proportional to 18,338.84, 27,505.82 and 5,192.36 is: 7,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.84 : 27,505.82 = 5,192.36 : x
  2. Step 2: Convert to fraction form
    18,338.84/27,505.82 = 5,192.36/x
  3. Step 3: Cross multiply
    18,338.84x = 27,505.82 × 5,192.36
  4. Step 4: Simplify right side
    18,338.84x = 142,820,119.54
  5. Step 5: Solve for x
    x = 142,820,119.54/18,338.84
  6. Step 6: Final answer
    x = 7,787.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.