Home / 13,825.18-20,729.43-5,506.48

Finding the Fourth Proportional to 13,825.18, 20,729.43 and 5,506.48

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Solution

The fourth proportional to 13,825.18, 20,729.43 and 5,506.48 is: 8,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.18 : 20,729.43 = 5,506.48 : x
  2. Step 2: Convert to fraction form
    13,825.18/20,729.43 = 5,506.48/x
  3. Step 3: Cross multiply
    13,825.18x = 20,729.43 × 5,506.48
  4. Step 4: Simplify right side
    13,825.18x = 114,146,191.71
  5. Step 5: Solve for x
    x = 114,146,191.71/13,825.18
  6. Step 6: Final answer
    x = 8,256.40

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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.