Home / 11,315.58-16,975.80-3,525

Finding the Fourth Proportional to 11,315.58, 16,975.80 and 3,525

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Solution

The fourth proportional to 11,315.58, 16,975.80 and 3,525 is: 5,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.58 : 16,975.80 = 3,525 : x
  2. Step 2: Convert to fraction form
    11,315.58/16,975.80 = 3,525/x
  3. Step 3: Cross multiply
    11,315.58x = 16,975.80 × 3,525
  4. Step 4: Simplify right side
    11,315.58x = 59,839,695
  5. Step 5: Solve for x
    x = 59,839,695/11,315.58
  6. Step 6: Final answer
    x = 5,288.26

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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.