Home / 14,179.25-21,270.07-4,318.61

Finding the Fourth Proportional to 14,179.25, 21,270.07 and 4,318.61

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Solution

The fourth proportional to 14,179.25, 21,270.07 and 4,318.61 is: 6,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.25 : 21,270.07 = 4,318.61 : x
  2. Step 2: Convert to fraction form
    14,179.25/21,270.07 = 4,318.61/x
  3. Step 3: Cross multiply
    14,179.25x = 21,270.07 × 4,318.61
  4. Step 4: Simplify right side
    14,179.25x = 91,857,036.05
  5. Step 5: Solve for x
    x = 91,857,036.05/14,179.25
  6. Step 6: Final answer
    x = 6,478.27

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1.5x scale

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.