Home / 13,908.64-20,856.48-8,066.92

Finding the Fourth Proportional to 13,908.64, 20,856.48 and 8,066.92

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Solution

The fourth proportional to 13,908.64, 20,856.48 and 8,066.92 is: 12,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.64 : 20,856.48 = 8,066.92 : x
  2. Step 2: Convert to fraction form
    13,908.64/20,856.48 = 8,066.92/x
  3. Step 3: Cross multiply
    13,908.64x = 20,856.48 × 8,066.92
  4. Step 4: Simplify right side
    13,908.64x = 168,247,555.64
  5. Step 5: Solve for x
    x = 168,247,555.64/13,908.64
  6. Step 6: Final answer
    x = 12,096.62

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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.