Home / 18,745.65-25,888.37-16,215.62

Finding the Fourth Proportional to 18,745.65, 25,888.37 and 16,215.62

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Solution

The fourth proportional to 18,745.65, 25,888.37 and 16,215.62 is: 22,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.65 : 25,888.37 = 16,215.62 : x
  2. Step 2: Convert to fraction form
    18,745.65/25,888.37 = 16,215.62/x
  3. Step 3: Cross multiply
    18,745.65x = 25,888.37 × 16,215.62
  4. Step 4: Simplify right side
    18,745.65x = 419,795,759.82
  5. Step 5: Solve for x
    x = 419,795,759.82/18,745.65
  6. Step 6: Final answer
    x = 22,394.30

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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.