Home / 13,712.16-20,568.32-4,351.96

Finding the Fourth Proportional to 13,712.16, 20,568.32 and 4,351.96

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Solution

The fourth proportional to 13,712.16, 20,568.32 and 4,351.96 is: 6,527.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.16 : 20,568.32 = 4,351.96 : x
  2. Step 2: Convert to fraction form
    13,712.16/20,568.32 = 4,351.96/x
  3. Step 3: Cross multiply
    13,712.16x = 20,568.32 × 4,351.96
  4. Step 4: Simplify right side
    13,712.16x = 89,512,505.91
  5. Step 5: Solve for x
    x = 89,512,505.91/13,712.16
  6. Step 6: Final answer
    x = 6,527.97

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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.