Home / 16,717.20-25,070.34-7,829.79

Finding the Fourth Proportional to 16,717.20, 25,070.34 and 7,829.79

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Solution

The fourth proportional to 16,717.20, 25,070.34 and 7,829.79 is: 11,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,717.20 : 25,070.34 = 7,829.79 : x
  2. Step 2: Convert to fraction form
    16,717.20/25,070.34 = 7,829.79/x
  3. Step 3: Cross multiply
    16,717.20x = 25,070.34 × 7,829.79
  4. Step 4: Simplify right side
    16,717.20x = 196,295,497.43
  5. Step 5: Solve for x
    x = 196,295,497.43/16,717.20
  6. Step 6: Final answer
    x = 11,742.13

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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.