Home / 14,480.78-21,736.52-12,825.65

Finding the Fourth Proportional to 14,480.78, 21,736.52 and 12,825.65

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Solution

The fourth proportional to 14,480.78, 21,736.52 and 12,825.65 is: 19,252.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.78 : 21,736.52 = 12,825.65 : x
  2. Step 2: Convert to fraction form
    14,480.78/21,736.52 = 12,825.65/x
  3. Step 3: Cross multiply
    14,480.78x = 21,736.52 × 12,825.65
  4. Step 4: Simplify right side
    14,480.78x = 278,784,921.12
  5. Step 5: Solve for x
    x = 278,784,921.12/14,480.78
  6. Step 6: Final answer
    x = 19,252.07

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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.