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Finding the Fourth Proportional to 15,249.92, 22,867.52 and 8,674.40

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Solution

The fourth proportional to 15,249.92, 22,867.52 and 8,674.40 is: 13,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.92 : 22,867.52 = 8,674.40 : x
  2. Step 2: Convert to fraction form
    15,249.92/22,867.52 = 8,674.40/x
  3. Step 3: Cross multiply
    15,249.92x = 22,867.52 × 8,674.40
  4. Step 4: Simplify right side
    15,249.92x = 198,362,015.49
  5. Step 5: Solve for x
    x = 198,362,015.49/15,249.92
  6. Step 6: Final answer
    x = 13,007.41

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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.