Home / 13,587.92-20,381.91-3,727.34

Finding the Fourth Proportional to 13,587.92, 20,381.91 and 3,727.34

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Solution

The fourth proportional to 13,587.92, 20,381.91 and 3,727.34 is: 5,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.92 : 20,381.91 = 3,727.34 : x
  2. Step 2: Convert to fraction form
    13,587.92/20,381.91 = 3,727.34/x
  3. Step 3: Cross multiply
    13,587.92x = 20,381.91 × 3,727.34
  4. Step 4: Simplify right side
    13,587.92x = 75,970,308.42
  5. Step 5: Solve for x
    x = 75,970,308.42/13,587.92
  6. Step 6: Final answer
    x = 5,591.02

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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.