Home / 11,130.36-16,695.71-3,633.88

Finding the Fourth Proportional to 11,130.36, 16,695.71 and 3,633.88

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Solution

The fourth proportional to 11,130.36, 16,695.71 and 3,633.88 is: 5,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.36 : 16,695.71 = 3,633.88 : x
  2. Step 2: Convert to fraction form
    11,130.36/16,695.71 = 3,633.88/x
  3. Step 3: Cross multiply
    11,130.36x = 16,695.71 × 3,633.88
  4. Step 4: Simplify right side
    11,130.36x = 60,670,206.65
  5. Step 5: Solve for x
    x = 60,670,206.65/11,130.36
  6. Step 6: Final answer
    x = 5,450.88

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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.