Home / 13,941.13-20,909.27-4,581.21

Finding the Fourth Proportional to 13,941.13, 20,909.27 and 4,581.21

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Solution

The fourth proportional to 13,941.13, 20,909.27 and 4,581.21 is: 6,871.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.13 : 20,909.27 = 4,581.21 : x
  2. Step 2: Convert to fraction form
    13,941.13/20,909.27 = 4,581.21/x
  3. Step 3: Cross multiply
    13,941.13x = 20,909.27 × 4,581.21
  4. Step 4: Simplify right side
    13,941.13x = 95,789,729.06
  5. Step 5: Solve for x
    x = 95,789,729.06/13,941.13
  6. Step 6: Final answer
    x = 6,871.02

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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.