Home / 13,728.48-20,594.68-4,241.64

Finding the Fourth Proportional to 13,728.48, 20,594.68 and 4,241.64

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Solution

The fourth proportional to 13,728.48, 20,594.68 and 4,241.64 is: 6,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728.48 : 20,594.68 = 4,241.64 : x
  2. Step 2: Convert to fraction form
    13,728.48/20,594.68 = 4,241.64/x
  3. Step 3: Cross multiply
    13,728.48x = 20,594.68 × 4,241.64
  4. Step 4: Simplify right side
    13,728.48x = 87,355,218.48
  5. Step 5: Solve for x
    x = 87,355,218.48/13,728.48
  6. Step 6: Final answer
    x = 6,363.07

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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.