Home / 13,338.53-20,011.27-7,796.60

Finding the Fourth Proportional to 13,338.53, 20,011.27 and 7,796.60

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Solution

The fourth proportional to 13,338.53, 20,011.27 and 7,796.60 is: 11,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.53 : 20,011.27 = 7,796.60 : x
  2. Step 2: Convert to fraction form
    13,338.53/20,011.27 = 7,796.60/x
  3. Step 3: Cross multiply
    13,338.53x = 20,011.27 × 7,796.60
  4. Step 4: Simplify right side
    13,338.53x = 156,019,867.68
  5. Step 5: Solve for x
    x = 156,019,867.68/13,338.53
  6. Step 6: Final answer
    x = 11,696.93

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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.