Home / 13,725.76-20,589.36-4,366.80

Finding the Fourth Proportional to 13,725.76, 20,589.36 and 4,366.80

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Solution

The fourth proportional to 13,725.76, 20,589.36 and 4,366.80 is: 6,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.76 : 20,589.36 = 4,366.80 : x
  2. Step 2: Convert to fraction form
    13,725.76/20,589.36 = 4,366.80/x
  3. Step 3: Cross multiply
    13,725.76x = 20,589.36 × 4,366.80
  4. Step 4: Simplify right side
    13,725.76x = 89,909,617.25
  5. Step 5: Solve for x
    x = 89,909,617.25/13,725.76
  6. Step 6: Final answer
    x = 6,550.43

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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.