Home / 12,928.14-19,392.21-8,544.69

Finding the Fourth Proportional to 12,928.14, 19,392.21 and 8,544.69

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Solution

The fourth proportional to 12,928.14, 19,392.21 and 8,544.69 is: 12,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928.14 : 19,392.21 = 8,544.69 : x
  2. Step 2: Convert to fraction form
    12,928.14/19,392.21 = 8,544.69/x
  3. Step 3: Cross multiply
    12,928.14x = 19,392.21 × 8,544.69
  4. Step 4: Simplify right side
    12,928.14x = 165,700,422.86
  5. Step 5: Solve for x
    x = 165,700,422.86/12,928.14
  6. Step 6: Final answer
    x = 12,817.04

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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.