Home / 13,684.26-20,526.38-3,296

Finding the Fourth Proportional to 13,684.26, 20,526.38 and 3,296

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Solution

The fourth proportional to 13,684.26, 20,526.38 and 3,296 is: 4,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.26 : 20,526.38 = 3,296 : x
  2. Step 2: Convert to fraction form
    13,684.26/20,526.38 = 3,296/x
  3. Step 3: Cross multiply
    13,684.26x = 20,526.38 × 3,296
  4. Step 4: Simplify right side
    13,684.26x = 67,654,948.48
  5. Step 5: Solve for x
    x = 67,654,948.48/13,684.26
  6. Step 6: Final answer
    x = 4,944.00

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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.