Home / 14,382.72-21,540.48-11,069.52

Finding the Fourth Proportional to 14,382.72, 21,540.48 and 11,069.52

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Solution

The fourth proportional to 14,382.72, 21,540.48 and 11,069.52 is: 16,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.72 : 21,540.48 = 11,069.52 : x
  2. Step 2: Convert to fraction form
    14,382.72/21,540.48 = 11,069.52/x
  3. Step 3: Cross multiply
    14,382.72x = 21,540.48 × 11,069.52
  4. Step 4: Simplify right side
    14,382.72x = 238,442,774.17
  5. Step 5: Solve for x
    x = 238,442,774.17/14,382.72
  6. Step 6: Final answer
    x = 16,578.42

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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.