Home / 17,102.12-25,658.70-5,256.80

Finding the Fourth Proportional to 17,102.12, 25,658.70 and 5,256.80

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Solution

The fourth proportional to 17,102.12, 25,658.70 and 5,256.80 is: 7,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,102.12 : 25,658.70 = 5,256.80 : x
  2. Step 2: Convert to fraction form
    17,102.12/25,658.70 = 5,256.80/x
  3. Step 3: Cross multiply
    17,102.12x = 25,658.70 × 5,256.80
  4. Step 4: Simplify right side
    17,102.12x = 134,882,654.16
  5. Step 5: Solve for x
    x = 134,882,654.16/17,102.12
  6. Step 6: Final answer
    x = 7,886.90

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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.