Home / 13,813.24-20,729.10-6,796.60

Finding the Fourth Proportional to 13,813.24, 20,729.10 and 6,796.60

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Solution

The fourth proportional to 13,813.24, 20,729.10 and 6,796.60 is: 10,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.24 : 20,729.10 = 6,796.60 : x
  2. Step 2: Convert to fraction form
    13,813.24/20,729.10 = 6,796.60/x
  3. Step 3: Cross multiply
    13,813.24x = 20,729.10 × 6,796.60
  4. Step 4: Simplify right side
    13,813.24x = 140,887,401.06
  5. Step 5: Solve for x
    x = 140,887,401.06/13,813.24
  6. Step 6: Final answer
    x = 10,199.45

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1.5x scale

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.