Home / 16,668.51-25,002.80-4,188.56

Finding the Fourth Proportional to 16,668.51, 25,002.80 and 4,188.56

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Solution

The fourth proportional to 16,668.51, 25,002.80 and 4,188.56 is: 6,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.51 : 25,002.80 = 4,188.56 : x
  2. Step 2: Convert to fraction form
    16,668.51/25,002.80 = 4,188.56/x
  3. Step 3: Cross multiply
    16,668.51x = 25,002.80 × 4,188.56
  4. Step 4: Simplify right side
    16,668.51x = 104,725,750.14
  5. Step 5: Solve for x
    x = 104,725,750.14/16,668.51
  6. Step 6: Final answer
    x = 6,282.85

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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.