Home / 11,391.30-17,070.48-4,808.43

Finding the Fourth Proportional to 11,391.30, 17,070.48 and 4,808.43

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Solution

The fourth proportional to 11,391.30, 17,070.48 and 4,808.43 is: 7,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.30 : 17,070.48 = 4,808.43 : x
  2. Step 2: Convert to fraction form
    11,391.30/17,070.48 = 4,808.43/x
  3. Step 3: Cross multiply
    11,391.30x = 17,070.48 × 4,808.43
  4. Step 4: Simplify right side
    11,391.30x = 82,082,208.15
  5. Step 5: Solve for x
    x = 82,082,208.15/11,391.30
  6. Step 6: Final answer
    x = 7,205.69

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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.