Home / 16,880-25,320.36-5,786.64

Finding the Fourth Proportional to 16,880, 25,320.36 and 5,786.64

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Solution

The fourth proportional to 16,880, 25,320.36 and 5,786.64 is: 8,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880 : 25,320.36 = 5,786.64 : x
  2. Step 2: Convert to fraction form
    16,880/25,320.36 = 5,786.64/x
  3. Step 3: Cross multiply
    16,880x = 25,320.36 × 5,786.64
  4. Step 4: Simplify right side
    16,880x = 146,519,807.99
  5. Step 5: Solve for x
    x = 146,519,807.99/16,880
  6. Step 6: Final answer
    x = 8,680.08

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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.