Home / 13,849.79-20,782.17-6,452.46

Finding the Fourth Proportional to 13,849.79, 20,782.17 and 6,452.46

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Solution

The fourth proportional to 13,849.79, 20,782.17 and 6,452.46 is: 9,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.79 : 20,782.17 = 6,452.46 : x
  2. Step 2: Convert to fraction form
    13,849.79/20,782.17 = 6,452.46/x
  3. Step 3: Cross multiply
    13,849.79x = 20,782.17 × 6,452.46
  4. Step 4: Simplify right side
    13,849.79x = 134,096,120.64
  5. Step 5: Solve for x
    x = 134,096,120.64/13,849.79
  6. Step 6: Final answer
    x = 9,682.18

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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.