Home / 16,668.64-25,002.32-4,188.64

Finding the Fourth Proportional to 16,668.64, 25,002.32 and 4,188.64

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Solution

The fourth proportional to 16,668.64, 25,002.32 and 4,188.64 is: 6,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.64 : 25,002.32 = 4,188.64 : x
  2. Step 2: Convert to fraction form
    16,668.64/25,002.32 = 4,188.64/x
  3. Step 3: Cross multiply
    16,668.64x = 25,002.32 × 4,188.64
  4. Step 4: Simplify right side
    16,668.64x = 104,725,717.64
  5. Step 5: Solve for x
    x = 104,725,717.64/16,668.64
  6. Step 6: Final answer
    x = 6,282.80

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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.