Home / 13,941.55-20,884.57-10,201.21

Finding the Fourth Proportional to 13,941.55, 20,884.57 and 10,201.21

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Solution

The fourth proportional to 13,941.55, 20,884.57 and 10,201.21 is: 15,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.55 : 20,884.57 = 10,201.21 : x
  2. Step 2: Convert to fraction form
    13,941.55/20,884.57 = 10,201.21/x
  3. Step 3: Cross multiply
    13,941.55x = 20,884.57 × 10,201.21
  4. Step 4: Simplify right side
    13,941.55x = 213,047,806.62
  5. Step 5: Solve for x
    x = 213,047,806.62/13,941.55
  6. Step 6: Final answer
    x = 15,281.50

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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.