Home / 18,653.09-27,950.32-13,025.21

Finding the Fourth Proportional to 18,653.09, 27,950.32 and 13,025.21

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Solution

The fourth proportional to 18,653.09, 27,950.32 and 13,025.21 is: 19,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.09 : 27,950.32 = 13,025.21 : x
  2. Step 2: Convert to fraction form
    18,653.09/27,950.32 = 13,025.21/x
  3. Step 3: Cross multiply
    18,653.09x = 27,950.32 × 13,025.21
  4. Step 4: Simplify right side
    18,653.09x = 364,058,787.57
  5. Step 5: Solve for x
    x = 364,058,787.57/18,653.09
  6. Step 6: Final answer
    x = 19,517.34

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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.