Home / 13,796.28-20,675.64-7,208.82

Finding the Fourth Proportional to 13,796.28, 20,675.64 and 7,208.82

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Solution

The fourth proportional to 13,796.28, 20,675.64 and 7,208.82 is: 10,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.28 : 20,675.64 = 7,208.82 : x
  2. Step 2: Convert to fraction form
    13,796.28/20,675.64 = 7,208.82/x
  3. Step 3: Cross multiply
    13,796.28x = 20,675.64 × 7,208.82
  4. Step 4: Simplify right side
    13,796.28x = 149,046,967.14
  5. Step 5: Solve for x
    x = 149,046,967.14/13,796.28
  6. Step 6: Final answer
    x = 10,803.42

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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.