Home / 16,928.82-25,399.91-12,254.71

Finding the Fourth Proportional to 16,928.82, 25,399.91 and 12,254.71

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Solution

The fourth proportional to 16,928.82, 25,399.91 and 12,254.71 is: 18,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.82 : 25,399.91 = 12,254.71 : x
  2. Step 2: Convert to fraction form
    16,928.82/25,399.91 = 12,254.71/x
  3. Step 3: Cross multiply
    16,928.82x = 25,399.91 × 12,254.71
  4. Step 4: Simplify right side
    16,928.82x = 311,268,531.08
  5. Step 5: Solve for x
    x = 311,268,531.08/16,928.82
  6. Step 6: Final answer
    x = 18,386.90

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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.