Home / 13,941.57-20,909.97-4,581.35

Finding the Fourth Proportional to 13,941.57, 20,909.97 and 4,581.35

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Solution

The fourth proportional to 13,941.57, 20,909.97 and 4,581.35 is: 6,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.57 : 20,909.97 = 4,581.35 : x
  2. Step 2: Convert to fraction form
    13,941.57/20,909.97 = 4,581.35/x
  3. Step 3: Cross multiply
    13,941.57x = 20,909.97 × 4,581.35
  4. Step 4: Simplify right side
    13,941.57x = 95,795,786.51
  5. Step 5: Solve for x
    x = 95,795,786.51/13,941.57
  6. Step 6: Final answer
    x = 6,871.23

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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.