Home / 12,827.65-19,239.62-3,468.21

Finding the Fourth Proportional to 12,827.65, 19,239.62 and 3,468.21

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Solution

The fourth proportional to 12,827.65, 19,239.62 and 3,468.21 is: 5,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.65 : 19,239.62 = 3,468.21 : x
  2. Step 2: Convert to fraction form
    12,827.65/19,239.62 = 3,468.21/x
  3. Step 3: Cross multiply
    12,827.65x = 19,239.62 × 3,468.21
  4. Step 4: Simplify right side
    12,827.65x = 66,727,025.14
  5. Step 5: Solve for x
    x = 66,727,025.14/12,827.65
  6. Step 6: Final answer
    x = 5,201.81

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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.