Home / 16,729.20-25,075.44-8,392.68

Finding the Fourth Proportional to 16,729.20, 25,075.44 and 8,392.68

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Solution

The fourth proportional to 16,729.20, 25,075.44 and 8,392.68 is: 12,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.20 : 25,075.44 = 8,392.68 : x
  2. Step 2: Convert to fraction form
    16,729.20/25,075.44 = 8,392.68/x
  3. Step 3: Cross multiply
    16,729.20x = 25,075.44 × 8,392.68
  4. Step 4: Simplify right side
    16,729.20x = 210,450,143.78
  5. Step 5: Solve for x
    x = 210,450,143.78/16,729.20
  6. Step 6: Final answer
    x = 12,579.81

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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.