Home / 16,815.47-25,189.11-7,796.91

Finding the Fourth Proportional to 16,815.47, 25,189.11 and 7,796.91

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Solution

The fourth proportional to 16,815.47, 25,189.11 and 7,796.91 is: 11,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.47 : 25,189.11 = 7,796.91 : x
  2. Step 2: Convert to fraction form
    16,815.47/25,189.11 = 7,796.91/x
  3. Step 3: Cross multiply
    16,815.47x = 25,189.11 × 7,796.91
  4. Step 4: Simplify right side
    16,815.47x = 196,397,223.65
  5. Step 5: Solve for x
    x = 196,397,223.65/16,815.47
  6. Step 6: Final answer
    x = 11,679.56

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1.5x scale

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.