Home / 13,946.92-20,919.60-10,202.56

Finding the Fourth Proportional to 13,946.92, 20,919.60 and 10,202.56

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Solution

The fourth proportional to 13,946.92, 20,919.60 and 10,202.56 is: 15,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.92 : 20,919.60 = 10,202.56 : x
  2. Step 2: Convert to fraction form
    13,946.92/20,919.60 = 10,202.56/x
  3. Step 3: Cross multiply
    13,946.92x = 20,919.60 × 10,202.56
  4. Step 4: Simplify right side
    13,946.92x = 213,433,474.18
  5. Step 5: Solve for x
    x = 213,433,474.18/13,946.92
  6. Step 6: Final answer
    x = 15,303.27

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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.