Home / 13,941.68-20,911.74-10,197.30

Finding the Fourth Proportional to 13,941.68, 20,911.74 and 10,197.30

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Solution

The fourth proportional to 13,941.68, 20,911.74 and 10,197.30 is: 15,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.68 : 20,911.74 = 10,197.30 : x
  2. Step 2: Convert to fraction form
    13,941.68/20,911.74 = 10,197.30/x
  3. Step 3: Cross multiply
    13,941.68x = 20,911.74 × 10,197.30
  4. Step 4: Simplify right side
    13,941.68x = 213,243,286.30
  5. Step 5: Solve for x
    x = 213,243,286.30/13,941.68
  6. Step 6: Final answer
    x = 15,295.38

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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.