Home / 11,713.65-17,567.70-3,391.46

Finding the Fourth Proportional to 11,713.65, 17,567.70 and 3,391.46

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Solution

The fourth proportional to 11,713.65, 17,567.70 and 3,391.46 is: 5,086.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.65 : 17,567.70 = 3,391.46 : x
  2. Step 2: Convert to fraction form
    11,713.65/17,567.70 = 3,391.46/x
  3. Step 3: Cross multiply
    11,713.65x = 17,567.70 × 3,391.46
  4. Step 4: Simplify right side
    11,713.65x = 59,580,064.00
  5. Step 5: Solve for x
    x = 59,580,064.00/11,713.65
  6. Step 6: Final answer
    x = 5,086.38

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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.