Home / 13,118.64-19,674.60-3,882.48

Finding the Fourth Proportional to 13,118.64, 19,674.60 and 3,882.48

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Solution

The fourth proportional to 13,118.64, 19,674.60 and 3,882.48 is: 5,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.64 : 19,674.60 = 3,882.48 : x
  2. Step 2: Convert to fraction form
    13,118.64/19,674.60 = 3,882.48/x
  3. Step 3: Cross multiply
    13,118.64x = 19,674.60 × 3,882.48
  4. Step 4: Simplify right side
    13,118.64x = 76,386,241.01
  5. Step 5: Solve for x
    x = 76,386,241.01/13,118.64
  6. Step 6: Final answer
    x = 5,822.73

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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.