Home / 13,614.18-20,419.32-4,252.02

Finding the Fourth Proportional to 13,614.18, 20,419.32 and 4,252.02

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Solution

The fourth proportional to 13,614.18, 20,419.32 and 4,252.02 is: 6,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.18 : 20,419.32 = 4,252.02 : x
  2. Step 2: Convert to fraction form
    13,614.18/20,419.32 = 4,252.02/x
  3. Step 3: Cross multiply
    13,614.18x = 20,419.32 × 4,252.02
  4. Step 4: Simplify right side
    13,614.18x = 86,823,357.03
  5. Step 5: Solve for x
    x = 86,823,357.03/13,614.18
  6. Step 6: Final answer
    x = 6,377.42

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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.