Home / 12,529.44-18,790.92-4,738.32

Finding the Fourth Proportional to 12,529.44, 18,790.92 and 4,738.32

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Solution

The fourth proportional to 12,529.44, 18,790.92 and 4,738.32 is: 7,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.44 : 18,790.92 = 4,738.32 : x
  2. Step 2: Convert to fraction form
    12,529.44/18,790.92 = 4,738.32/x
  3. Step 3: Cross multiply
    12,529.44x = 18,790.92 × 4,738.32
  4. Step 4: Simplify right side
    12,529.44x = 89,037,392.05
  5. Step 5: Solve for x
    x = 89,037,392.05/12,529.44
  6. Step 6: Final answer
    x = 7,106.25

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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.