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Finding the Fourth Proportional to 16,015.92, 24,013.93 and 6,662.49

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Solution

The fourth proportional to 16,015.92, 24,013.93 and 6,662.49 is: 9,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,015.92 : 24,013.93 = 6,662.49 : x
  2. Step 2: Convert to fraction form
    16,015.92/24,013.93 = 6,662.49/x
  3. Step 3: Cross multiply
    16,015.92x = 24,013.93 × 6,662.49
  4. Step 4: Simplify right side
    16,015.92x = 159,992,568.49
  5. Step 5: Solve for x
    x = 159,992,568.49/16,015.92
  6. Step 6: Final answer
    x = 9,989.60

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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.