Home / 14,339.25-21,511.94-4,979.56

Finding the Fourth Proportional to 14,339.25, 21,511.94 and 4,979.56

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Solution

The fourth proportional to 14,339.25, 21,511.94 and 4,979.56 is: 7,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.25 : 21,511.94 = 4,979.56 : x
  2. Step 2: Convert to fraction form
    14,339.25/21,511.94 = 4,979.56/x
  3. Step 3: Cross multiply
    14,339.25x = 21,511.94 × 4,979.56
  4. Step 4: Simplify right side
    14,339.25x = 107,119,995.95
  5. Step 5: Solve for x
    x = 107,119,995.95/14,339.25
  6. Step 6: Final answer
    x = 7,470.40

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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.