Home / 13,727.64-20,580.21-8,796

Finding the Fourth Proportional to 13,727.64, 20,580.21 and 8,796

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Solution

The fourth proportional to 13,727.64, 20,580.21 and 8,796 is: 13,186.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.64 : 20,580.21 = 8,796 : x
  2. Step 2: Convert to fraction form
    13,727.64/20,580.21 = 8,796/x
  3. Step 3: Cross multiply
    13,727.64x = 20,580.21 × 8,796
  4. Step 4: Simplify right side
    13,727.64x = 181,023,527.16
  5. Step 5: Solve for x
    x = 181,023,527.16/13,727.64
  6. Step 6: Final answer
    x = 13,186.79

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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.