Home / 14,190.26-19,571.38-8,809.65

Finding the Fourth Proportional to 14,190.26, 19,571.38 and 8,809.65

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Solution

The fourth proportional to 14,190.26, 19,571.38 and 8,809.65 is: 12,150.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.26 : 19,571.38 = 8,809.65 : x
  2. Step 2: Convert to fraction form
    14,190.26/19,571.38 = 8,809.65/x
  3. Step 3: Cross multiply
    14,190.26x = 19,571.38 × 8,809.65
  4. Step 4: Simplify right side
    14,190.26x = 172,416,985.79
  5. Step 5: Solve for x
    x = 172,416,985.79/14,190.26
  6. Step 6: Final answer
    x = 12,150.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.