Home / 16,880.04-25,305.48-6,489.36

Finding the Fourth Proportional to 16,880.04, 25,305.48 and 6,489.36

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Solution

The fourth proportional to 16,880.04, 25,305.48 and 6,489.36 is: 9,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.04 : 25,305.48 = 6,489.36 : x
  2. Step 2: Convert to fraction form
    16,880.04/25,305.48 = 6,489.36/x
  3. Step 3: Cross multiply
    16,880.04x = 25,305.48 × 6,489.36
  4. Step 4: Simplify right side
    16,880.04x = 164,216,369.69
  5. Step 5: Solve for x
    x = 164,216,369.69/16,880.04
  6. Step 6: Final answer
    x = 9,728.43

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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.