Home / 12,828.65-19,245.86-4,509.24

Finding the Fourth Proportional to 12,828.65, 19,245.86 and 4,509.24

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Solution

The fourth proportional to 12,828.65, 19,245.86 and 4,509.24 is: 6,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.65 : 19,245.86 = 4,509.24 : x
  2. Step 2: Convert to fraction form
    12,828.65/19,245.86 = 4,509.24/x
  3. Step 3: Cross multiply
    12,828.65x = 19,245.86 × 4,509.24
  4. Step 4: Simplify right side
    12,828.65x = 86,784,179.20
  5. Step 5: Solve for x
    x = 86,784,179.20/12,828.65
  6. Step 6: Final answer
    x = 6,764.87

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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.