Home / 14,227.65-21,357.27-8,388.36

Finding the Fourth Proportional to 14,227.65, 21,357.27 and 8,388.36

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Solution

The fourth proportional to 14,227.65, 21,357.27 and 8,388.36 is: 12,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.65 : 21,357.27 = 8,388.36 : x
  2. Step 2: Convert to fraction form
    14,227.65/21,357.27 = 8,388.36/x
  3. Step 3: Cross multiply
    14,227.65x = 21,357.27 × 8,388.36
  4. Step 4: Simplify right side
    14,227.65x = 179,152,469.38
  5. Step 5: Solve for x
    x = 179,152,469.38/14,227.65
  6. Step 6: Final answer
    x = 12,591.85

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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.