Home / 14,339.92-21,511.28-5,575.52

Finding the Fourth Proportional to 14,339.92, 21,511.28 and 5,575.52

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Solution

The fourth proportional to 14,339.92, 21,511.28 and 5,575.52 is: 8,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.92 : 21,511.28 = 5,575.52 : x
  2. Step 2: Convert to fraction form
    14,339.92/21,511.28 = 5,575.52/x
  3. Step 3: Cross multiply
    14,339.92x = 21,511.28 × 5,575.52
  4. Step 4: Simplify right side
    14,339.92x = 119,936,571.87
  5. Step 5: Solve for x
    x = 119,936,571.87/14,339.92
  6. Step 6: Final answer
    x = 8,363.82

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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.