Home / 13,924.20-19,213.29-7,954.80

Finding the Fourth Proportional to 13,924.20, 19,213.29 and 7,954.80

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Solution

The fourth proportional to 13,924.20, 19,213.29 and 7,954.80 is: 10,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.20 : 19,213.29 = 7,954.80 : x
  2. Step 2: Convert to fraction form
    13,924.20/19,213.29 = 7,954.80/x
  3. Step 3: Cross multiply
    13,924.20x = 19,213.29 × 7,954.80
  4. Step 4: Simplify right side
    13,924.20x = 152,837,879.29
  5. Step 5: Solve for x
    x = 152,837,879.29/13,924.20
  6. Step 6: Final answer
    x = 10,976.42

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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.