Home / 16,812-25,215.73-6,949.91

Finding the Fourth Proportional to 16,812, 25,215.73 and 6,949.91

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Solution

The fourth proportional to 16,812, 25,215.73 and 6,949.91 is: 10,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812 : 25,215.73 = 6,949.91 : x
  2. Step 2: Convert to fraction form
    16,812/25,215.73 = 6,949.91/x
  3. Step 3: Cross multiply
    16,812x = 25,215.73 × 6,949.91
  4. Step 4: Simplify right side
    16,812x = 175,247,054.08
  5. Step 5: Solve for x
    x = 175,247,054.08/16,812
  6. Step 6: Final answer
    x = 10,423.93

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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.