Home / 13,315.17-19,975.82-3,954.97

Finding the Fourth Proportional to 13,315.17, 19,975.82 and 3,954.97

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Solution

The fourth proportional to 13,315.17, 19,975.82 and 3,954.97 is: 5,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.17 : 19,975.82 = 3,954.97 : x
  2. Step 2: Convert to fraction form
    13,315.17/19,975.82 = 3,954.97/x
  3. Step 3: Cross multiply
    13,315.17x = 19,975.82 × 3,954.97
  4. Step 4: Simplify right side
    13,315.17x = 79,003,768.83
  5. Step 5: Solve for x
    x = 79,003,768.83/13,315.17
  6. Step 6: Final answer
    x = 5,933.37

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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.