Home / 13,366.92-20,020.50-8,963.40

Finding the Fourth Proportional to 13,366.92, 20,020.50 and 8,963.40

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Solution

The fourth proportional to 13,366.92, 20,020.50 and 8,963.40 is: 13,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.92 : 20,020.50 = 8,963.40 : x
  2. Step 2: Convert to fraction form
    13,366.92/20,020.50 = 8,963.40/x
  3. Step 3: Cross multiply
    13,366.92x = 20,020.50 × 8,963.40
  4. Step 4: Simplify right side
    13,366.92x = 179,451,749.70
  5. Step 5: Solve for x
    x = 179,451,749.70/13,366.92
  6. Step 6: Final answer
    x = 13,425.06

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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.