Home / 15,334.20-21,150.63-14,819.94

Finding the Fourth Proportional to 15,334.20, 21,150.63 and 14,819.94

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Solution

The fourth proportional to 15,334.20, 21,150.63 and 14,819.94 is: 20,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,334.20 : 21,150.63 = 14,819.94 : x
  2. Step 2: Convert to fraction form
    15,334.20/21,150.63 = 14,819.94/x
  3. Step 3: Cross multiply
    15,334.20x = 21,150.63 × 14,819.94
  4. Step 4: Simplify right side
    15,334.20x = 313,451,067.56
  5. Step 5: Solve for x
    x = 313,451,067.56/15,334.20
  6. Step 6: Final answer
    x = 20,441.31

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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.