Home / 12,928.32-19,392.04-4,164.92

Finding the Fourth Proportional to 12,928.32, 19,392.04 and 4,164.92

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Solution

The fourth proportional to 12,928.32, 19,392.04 and 4,164.92 is: 6,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928.32 : 19,392.04 = 4,164.92 : x
  2. Step 2: Convert to fraction form
    12,928.32/19,392.04 = 4,164.92/x
  3. Step 3: Cross multiply
    12,928.32x = 19,392.04 × 4,164.92
  4. Step 4: Simplify right side
    12,928.32x = 80,766,295.24
  5. Step 5: Solve for x
    x = 80,766,295.24/12,928.32
  6. Step 6: Final answer
    x = 6,247.24

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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.